Skip to main content

1940s Clock

3
to
38
348
250
587
491
311
52
42
39
32
12
7
7
4
4
4
4
2
2
2
1
1
1
42
42
14
13
9
Sort By
Luxury Vintage Stirrup Table Clock Maquet Paris, Nice 8 Jours, France, 1940s
By Maquet, Hermès
Located in Buenos Aires, Olivos
Luxury vintage stirrup desk / table clock Maquet Paris - Nice 8 Jours, France, 1940s Clock with
Category

Mid-20th Century French Art Deco Table Clocks and Desk Clocks

Materials

Metal

Reclaimed Double Sided Factory Clock by English Clock Systems
By Smiths English Clock Systems
Located in Nottingham, GB
RECLAIMED DOUBLE SIDED FACTORY CLOCK An original vintage double sided factory clock reclaimed
Category

Vintage 1960s British Industrial Wall Clocks

Materials

Aluminum

Crystal Face and Pendulum Clock Made by Ansonia Clock of New York
By Ansonia Clock Company
Located in Stamford, CT
Crystal face and pendulum clock made by Ansonia Clock of New York. Bronze case in all beveled glass
Category

Vintage 1960s American Classical Table Clocks and Desk Clocks

Materials

Brass

Vintage Industrial Art Deco Bakelite Smiths Sectric Electric Wall Clock, C.1940
By Smiths English Clock Systems
Located in London, GB
Stunning example of an industrial wall clock by Smiths English Clock Systems. c.1940 A fully
Category

Vintage 1940s English Industrial Wall Clocks

Materials

Bakelite, Glass

Industrial Black Bakelite Station Wall Clock from TN, 1940s
Located in Kojetice, CZ
This wall clock was produced by TN Telefonbau und Normalzeit in Germany during the 1940s. It
Category

Mid-20th Century German Industrial Wall Clocks

Materials

Iron

Double Sided Train Station Clock, c. 1940s, Boston
Located in Los Angeles, CA
Wonderful double-sided illuminated railway station clock from Boston, USA, c. 1940. Each side can
Category

Vintage 1940s American Industrial Wall Clocks

Materials

Metal

MCM Illuminated "Golden Guernsey Milk Products" Advertising Wall Clock c.1950
By Pam Clock Co.
Located in San Francisco, CA
ABOUT An original illuminated "Golden Guernsey Milk Products" advertising wall clock with a metal
Category

Mid-20th Century Mid-Century Modern Wall Clocks

Materials

Metal

Sarreguemines, Mantel Clock "Pagoda", France, 1940s
By Sarreguemines
Located in PARIS, FR
Superb and rare Sarreguemines "Pagoda" model mantel clock. Ceramic of brown crackled enamel. Side
Category

Vintage 1940s French Mantel Clocks

Materials

Ceramic

Huge Bakelite Industrial Train Station Wall Clock from the 1940s
Located in Vienna, AT
A big loft or industrial wall clock from the 1940s. straight and beautiful design, with a domed
Category

Vintage 1940s Industrial Wall Clocks

Materials

Glass, Bakelite

Italian Venetian Style ‘1940s’ Mirrored and Gilt Trimmed Wall Clock
Located in New York, NY
Italian Venetian style ‘1940s’ mirrored and gilt trimmed wall clock with painted scenes with cupids
Category

20th Century Italian Wall Clocks

Materials

Mirror

German Bauhaus Suspended Mahogany & Brass Wall Clock with Manuel Movement, 1940s
Located in Esbjerg, DK
A Bauhaus typical wall clock with Manuel movement operated by key (included). Moon minute hand and
Category

Vintage 1940s German Bauhaus Wall Clocks

Materials

Brass

Dunhill Brass and Wood Domed Desk Clock, circa 1940s
By Dunhill
Located in Long Beach, CA
: Brass and Wood CIRCA / YEAR: 1940's DIMENSIONS / SIZE: 7" X 9" X 2 1/2" MOVEMENT / CALIBER: Back Winding
Category

Vintage 1940s Swiss Art Deco Table Clocks and Desk Clocks

Materials

Brass

Art Deco Etalage Reclame Mystery Clock Running Nicely
Located in Palm Springs, CA
A stunning clock design by Etalage Reclame. The clock dates to the early 1940’s or late 1930’s. It
Category

Vintage 1940s American Clocks

Materials

Metal

French Mid-Century Maple Grandfather Clock
Located in New York, NY
French Mid-Century (1940s) maple grandfather clock with Lucite column and chrome design with
Category

Vintage 1940s French Clocks

Materials

Chrome

Art Deco Wall Clock in Rough Edged Glass with Brass Stars 1940s
Located in Tilburg, NL
Beautifully detailed electric wall clock in glass and brass. Probably made in the 1940’s. This
Category

Mid-20th Century Unknown Mid-Century Modern Wall Clocks

Materials

Brass

Italian Red Coral Clock
Located in New York, NY
roman numeral face with key for winding. Happily ticks away for 3 weeks. Italy circa 1940’s Dimensions
Category

Vintage 1940s Italian Mid-Century Modern Wall Clocks

Materials

Brass, Enamel

Italian Red Coral Clock
Italian Red Coral Clock
H 9 in W 9 in D 3 in
Rare OVERSIZED aRT Deco Neon Clock by Telechron Electric Clock.. 3' Diameter
Located in Buffalo, NY
Rare OVERSIZED aRT Deco Neon Clock by Telechron Electric Clock.. 34" Diameter.. Ive owned over 50
Category

Vintage 1940s American Art Deco Wall Clocks

Materials

Metal, Steel

Large Painted Tower Clock Face
Located in Ongar, GB
A large early 20th century painted metal tower clock face from Belgium. With original weathered
Category

Early 20th Century French Wall Clocks

Materials

Sheet Metal

Large Painted Tower Clock Face
Large Painted Tower Clock Face
H 47.25 in W 1.19 in D 47.25 in
Fanciful Eglomise Electric Wall Clock
Located in Stamford, CT
Reverse painted electric clock with Roman numerals in green, gold, cream, and tortoise pattern. .
Category

Vintage 1940s Italian Wall Clocks

Materials

Glass

Striking Art Deco Mantle Clock with Mixed Wood and Brass Detail
Located in Oakland, CA
This clock is a marvelous example: Mixed use of woods including oak and Macassar, a face plate that
Category

Vintage 1930s Dutch Art Deco Clocks

Materials

Brass

Bronze Gold-Plated Clock with Blue Stones
Located in Los Angeles, CA
Bronze gold-plated clock with blue stones signed J.
Category

Mid-20th Century German Mantel Clocks

Materials

Bronze

French Art Deco Marble with Bronze Details Clock Set
Located in Long Island City, NY
French Art Deco marble three-piece clock set with intricate bronze details. Centerpiece with a pair
Category

Mid-20th Century French Art Deco Mantel Clocks

Materials

Marble, Bronze

Vintage Industrial Gents of Leicester Double Sided Railway Factory Clock. c.1940
By Gents of Leicester
Located in London, GB
Exceptional example of an industrial 24" double sided clock manufactured by Gents of Leicester. c
Category

Vintage 1940s English Industrial Wall Clocks

Materials

Steel

Black Starr & Gorham Gothic Bold Wall Clock in Original Box
By Black, Starr & Gorham
Located in Long Beach, CA
: Nickle Finished CIRCA: 1940s/ 50s MOVEMENT / CALIBER: High Grade 15 Jewels Swiss Made DIAL / HANDS
Category

Mid-20th Century Swiss Gothic Revival Wall Clocks

Materials

Brass, Nickel

Large Bakelite Industrial, Train Station Wall Clock
Located in Vienna, AT
Bakelite industrial wall clock from about 1940's, 1950's. Diameter 49 cm and a depth of 10,5 cm
Category

Mid-20th Century European Mid-Century Modern Wall Clocks

Materials

Bakelite, Glass

Large Bakelite Factory Industrial, Train Station Wall Clock
Located in Vienna, AT
5 pcs of bakelite industrial wall clock from about 1940's, 1950's. Diameter 49 cm and a depth of
Category

Mid-20th Century European Mid-Century Modern Wall Clocks

Materials

Glass, Bakelite

Art Deco Marble and Alabaster Mantel Clock With Metal Bird
Located in Swedesboro, NJ
minor oxidation to metal as to be expected of an item from the 1940's or 1950s. If you have any
Category

20th Century Unknown Art Deco Mantel Clocks

Materials

Alabaster, Marble, Metal

Stunning Clock by Hour Lavigne (mechanism) and Mayodon (ceramist), France, 1950
By Hour Lavigne, Jean-Leon Mayodon
Located in Paris, FR
decorative motif depicts an Antique-style scene of  dansing couples typical from the 1940's 1950's. The
Category

Vintage 1950s French Mid-Century Modern Wall Clocks

Materials

Brass, Enamel

Electric Art Deco Wooden Advertising Flip Clock
Located in San Diego, CA
Beautiful electric Art Deco wooden advertising flip clock, circa 1940s. The clock was used to
Category

20th Century American Art Deco Table Clocks and Desk Clocks

Materials

Plastic, Wood

Reclaimed Double Sided Square Wall Mounted Clock By Gents Of Leicester
By Gents of Leicester
Located in Nottingham, GB
makers Gents of Leicester. Manufactured circa 1940 The clocks steel case has been exposed and left in a
Category

Vintage 1940s British Industrial Wall Clocks

Materials

Steel

Gents of Leicester, Large 50cm brass art deco factory clock, industrial design
By Gents of Leicester
Located in Leicester, GB
Large Gents of Leicester 1940s factory clock with brass casing. Original hands and glass. The
Category

Early 20th Century British Art Deco Wall Clocks

Materials

Brass

Unique, Stylish & All Handcrafted Copper Art Deco Style Mantel or Table Clock
Located in Lisse, NL
exceptional both in terms of design and execution. This looks like a 1920's clock, but we are not entirely
Category

Early 20th Century European Art Deco Mantel Clocks

Materials

Brass, Copper

Solid Lucite & Brass Electric Desk / Mantel Clock by Telechron
Located in San Diego, CA
A gorgeous solid lucite with brass accents electric desk / mantel clock by Telechron, circa 1940s
Category

20th Century American Post-Modern Table Clocks and Desk Clocks

Materials

Brass

René Lalique Art Deco Opalescent Glass Clock with Love Birds
By René Lalique
Located in Oakland, CA
René Lalique Art Deco opalescent glass clock with love birds or cockatoo. Lalique design, signed in
Category

Vintage 1940s French Art Deco Table Clocks and Desk Clocks

Materials

Glass

Important Art Deco Period Tall Bronze Clock with Four Time Zones
Located in New York, NY
companies in the U.S. to patent and produce electric clock movements. Their mechanisms powered some of the
Category

20th Century Grandfather Clocks and Longcase Clocks

Materials

Bronze

Vintage Rotating Desk Clock with Weather Instruments
Located in Van Nuys, CA
Solid brass Art Deco era desk clock with 8 days movement, with a thermometer, barometer, hygrometer
Category

20th Century North American Table Clocks and Desk Clocks

Materials

Copper

Good Quality Regency ‘Egyptian Style’ Mahogany Longcase Clock by John Grant
Located in Lymington, Hampshire
A good quality Regency ‘Egyptian style’ mahogany longcase clock by John Grant, the case surmounted
Category

Antique 19th Century English Regency Grandfather Clocks and Longcase Clocks

Materials

Mahogany

Original Art Deco Green Neon Hexagon Vintage RCA Radio and Phonograph
Located in Oakland, CA
side of the famous RCA dog named Nipper. The clock was made in the 1940s, keeps excellent time, and
Category

Vintage 1940s Art Deco Wall Clocks

Materials

Metal

Italian Large Art Deco 1940s Ceramic Lions Sculpture Table Clock, 1940s
Located in Byron Bay, NSW
Impressive Italian Art Deco 1940s large table clock in ceramic, white and light blue ceramic in
Category

Vintage 1940s Italian Art Deco Animal Sculptures

Materials

Ceramic

Van Cleef & Arpels 1940s Gold Travel Clock
By Van Cleef & Arpels
Located in New York, NY
Van Cleef & Arpels gold travel clock, circa 1940s 18 karat yellow gold; marked Van Cleef & Arpels
Category

Vintage 1940s Pocket Watches

Materials

18k Gold, Yellow Gold

Dunhill Brass and Wood Domed Desk Clock, circa 1940s
By Dunhill
Located in Long Beach, CA
: Brass and Wood CIRCA / YEAR: 1940's DIMENSIONS / SIZE: 7" X 9" X 2 1/2" MOVEMENT / CALIBER: Back Winding
Category

Vintage 1940s Swiss Pocket Watches

Rare Rolex 9k Gold Travel Clock c. 1940s
By Rolex
Located in New York, NY
Journey Through Time: A Rare Rolex 9k Gold Travel Clock (Circa 1940s) Embark on a voyage of
Category

Mid-20th Century Desk Accessories

Materials

9k Gold

Seth Thomas Yellow Gold Filled Art Deco Tonneau Shape with Original Dial 1940's
Located in Long Beach, CA
Filled CIRCA / YEAR: 1940's DIMENSIONS / SIZE: Length 37mm X Width 25mm MOVEMENT / CALIBER: Manual
Category

Vintage 1940s American Wrist Watches

Materials

10k Gold, Gold Plate, Stainless Steel

1940s Isamu Noguchi Black+White Train Clock Modernist Japanese Industrial Design
By Isamu Noguchi
Located in Hyattsville, MD
Sale includes both, and both clocks are untested, thus graded DISTRESSED, despite being
Category

Vintage 1930s American Mid-Century Modern Abstract Sculptures

Materials

Bakelite

Cartier Gold Desk Clock
By Cartier
Located in New York, NY
Cartier Gold Desk Clock A beautifully crafted gold desk clock The white dial is embellished with
Category

Vintage 1940s French Retro Desk Accessories

Materials

Gold

French Iron Clock Chandelier
Located in New York, NY
A circa 1940's French hammered iron clock ten-arm chandelier with original painted finish and
Category

Vintage 1940s French Chandeliers and Pendants

Materials

Iron

French Iron Clock Chandelier
French Iron Clock Chandelier
H 42 in W 36 in D 21 in
Six O'Clock
Located in Los Angeles, CA
Six O-Clock, c. 1942, oil on canvas, 30 x 20 inches, signed and titled several times verso of frame
Category

1940s American Modern Landscape Paintings

Materials

Canvas, Oil

Six O'Clock
H 20 in W 30 in D 2 in
Belgian Empire Gilt Metal Three-Piece Garniture Clock Candelabras Set
Located in Germantown, MD
Belle Epoque Belgian Empire style Gilt Metal Three-Piece candelabras and Clock Garniture set with
Category

Early 20th Century Belgian Empire Candelabras

Materials

Brass

Tiffany & Co. Art Deco Leather Bound 8 Day Travel and Desk Clock
By Tiffany & Co.
Located in Long Beach, CA
/ MATERIAL: Red Leather CIRCA / YEAR: 1940's DIMENSIONS / SIZE: 4 Inches Square MOVEMENT / CALIBER: Manual
Category

Vintage 1940s Swiss Art Deco Desk Accessories

Vintage Swedish Sun Clock or Armillary Sun Dial Attributed to Sune Rooth
Located in Plainview, NY
Vintage Original Sun Clock or Armillary Sun Dial attributed to the Swedish sculptor Sune Rooth
Category

Mid-20th Century Abstract Sculptures

Materials

Metal

Black Starr & Gorham Gothic Bold Wall Clock in Original Box
By Black, Starr & Gorham
Located in Long Beach, CA
Finished CIRCA: 1940s/ 50s MOVEMENT / CALIBER: High Grade 15 Jewels Swiss Made DIAL / HANDS: Silvered Roman
Category

Mid-20th Century Swiss Gothic Revival More Objets d'Art and Vertu

1940s Rolex Unisex Manual Wristwatch
By Rolex
Located in London, GB
This is a 1940s 14ct yellow gold unisex Rolex Chronometer watch. The dial is an off-white colour
Category

Vintage 1940s Wrist Watches

Materials

Gold, 14k Gold, Rose Gold, Yellow Gold

1940s Surrealistic Environmental Apocalypse Still Life Hawaiian Surrealism
By Marguerite Blasingame
Located in Soquel, CA
1940s Surrealistic Environmental Apocalypse Still Life Hawaiian Surrealism Symbolic still life of
Category

1940s Symbolist Abstract Paintings

Materials

Oil, Linen

Verdura Gold Utility Knife and Key with Clock and Hidden Pencil
By Verdura
Located in New York, NY
pencil that slides out of the bottom, a folding key, and a clock. Outer case is ribbed throughout the
Category

Vintage 1940s More Jewelry

Materials

14k Gold

Verdura Gold Utility Knife and Key with Clock and Hidden Pencil
Verdura Gold Utility Knife and Key with Clock and Hidden Pencil
Free Shipping
W 0.75 in D 0.27 in L 3.13 in
Portrait of American WWII Generals - Vintage b/w Photograph - 1940s
Located in Roma, IT
. before the world famous premiere of "Twelve O'Clock High". Good condition, mounted on a white cardboard
Category

1940s Modern Black and White Photography

Materials

Photographic Paper

Amsterdam School Armchairs in Original Upholstery, Art Deco, Dutch Modern, 1940s
Located in Antwerp, BE
1940's, Dutch Modern, Lounge Chair, Amsterdamse school, Armchair, Art Deco, Expressionism
Category

Vintage 1940s Dutch Modern Armchairs

Materials

Fabric, Wood

Vintage 1940s Patek Philippe Gents Manual Wristwatch
By Patek Philippe
Located in London, GB
This is a wonderful and rare 1940s gents Patek Philippe wristwatch. The watch features a silver
Category

Vintage 1940s Wrist Watches

Materials

Gold, Silver

Five Fireman 1940s Mid Century WPA Era Modern Baltimore Black & White Photograph
Located in New York, NY
Fine Fireman 1940s Mid Century WPA Era Modernism Baltimore Black & White Photograph. A. Aubrey
Category

1940s Realist Black and White Photography

Materials

Silver Gelatin

Portrait of American Air Power Generals of World War II - b/w Photograph - 1940s
Located in Roma, IT
premiere of the famous motion picture "Twelve O'Clock High". L.to R. (sitting) Major General Emmett
Category

1940s Modern Abstract Prints

Materials

Photographic Paper

Movado Türler , Slide / Travel Watch-Clock, Purse Watch, with stand
By Movado
Located in Antwerp, BE
Turler Movado, Slide Travel Watch-Clock, Purse Watch, with stand. This one is smaller then usual
Category

Vintage 1940s Swiss Artisan Pocket Watches

  • 1
Get Updated with New Arrivals
Save "1940 S Clock", and we’ll notify you when there are new listings in this category.

1940s Clock For Sale on 1stDibs

With a vast inventory of beautiful furniture at 1stDibs, we’ve got just the 1940s clock you’re looking for. A 1940s clock — often made from metal, glass and plastic — can elevate any home. Whether you’re looking for an older or newer 1940s clock, there are earlier versions available from the 20th Century and newer variations made as recently as the 20th Century. Each 1940s clock bearing Art Deco, industrial or mid-century modern hallmarks is very popular. Many designers have produced at least one well-made 1940s clock over the years, but those crafted by Hermès, Jaeger-LeCoultre and Archimede Seguso are often thought to be among the most beautiful.

How Much is a 1940s Clock?

Prices for a 1940s clock can differ depending upon size, time period and other attributes — at 1stDibs, they begin at $125 and can go as high as $125,000, while the average can fetch as much as $1,725.
Questions About 1940s Clock
  • 1stDibs ExpertOctober 5, 2021
    The most popular 1940s-style dress was the shirtwaist dress. It had a front opening like a men’s shirt, but with large buttons in the front of the dress, which was practical and easy to wear. The sleeves were short and necklines varied from shirt style to sweetheart and other necklines. Antique and vintage dresses from well-known designers are available on 1stDibs.
  • 1stDibs ExpertFebruary 22, 2021
    In the 1940s, ladies wore clothes defined by clean and slim silhouettes. The jackets, blouses and sweaters often featured shoulderpads and had somewhat of a military feel. Most dresses were quite casual and pants and playsuits became part of a woman's everyday style.
  • 1stDibs ExpertApril 5, 2022
    A number of dresses were popular during the 1940s. Many women wore short-waist dresses with button necks, collars, fitted waists and full skirts. The classic A-lines with knee-length hems in red, white and blue colors were also a trend. Shop a collection of vintage dresses on 1stDibs.
  • 1stDibs ExpertApril 5, 2022
    Check the clock for a manufacturer’s mark or label. Once you have this, you should be able to look up the clock’s brand to see if it is French in origin. A clock is considered antique once it is 100 years old. A professional can also help verify the origin of your clock. Shop an array of expertly vetted antique clocks on 1stDibs.
  • 1stDibs ExpertOctober 26, 2021
    A calendar clock is a timepiece that displays the days of the week and month, phases of the moon and other features, along with hours, minutes and seconds. Shop a collection of antique, vintage, and contemporary calendar clocks from some of the world’s top dealers on 1stDibs.
  • 1stDibs ExpertNovember 2, 2021
    A pendulum in a clock is a swinging weight that is used as the timekeeping element in the clock. An antique pendulum clock is considered a timeless fixture in homes today, a hugely popular decorative piece for your living room or dining room. Shop a collection of pendulum clocks from some of the world’s top sellers on 1stDibs.
  • 1stDibs ExpertApril 5, 2022
    A perpetual clock is one that never requires winding or a battery change to accurately track the time and sometimes also the date. Instead, the clock relies on a gas-filled capsule that shrinks and expands in response to temperature fluctuations to power its movement. On 1stDibs, find a range of perpetual clocks.
  • 1stDibs ExpertAugust 17, 2021
    Mission clocks are a style of clock from the 19th century Arts & Crafts design movement. Mission clocks are known for their super simplistic design.
  • 1stDibs ExpertFebruary 22, 2021
    Chess clocks are used primarily to make sure that a player does not overly delay the game. By keeping track of the time spent for each player's move, the total time is tracked.
  • 1stDibs ExpertOctober 5, 2021
    A regulator clock is a generic term used for a wall-mounted clock that is weight-driven by a pendulum. On 1stDibs, you can find a great collection of vintage and modern clocks to choose from.
  • 1stDibs ExpertApril 5, 2022
    A mechanical clock is made with an oscillating mechanism that marks the passing time. An escapement counts its beats. The first mechanical clock was made out of iron, and was first seen in medieval Europe. You’ll find a collection of mechanical clocks from many of the world’s top sellers on 1stDibs.
  • 1stDibs ExpertMarch 3, 2023
    A travel clock is a compact clock that folds flat to be packed in luggage. Some travel clocks have more than one face, allowing you to keep track of the time at home and in your current location. On 1stDibs, shop a selection of travel clocks.
  • 1stDibs ExpertApril 5, 2022
    An anniversary clock is a table clock that only requires winding roughly once every 400 days. As a result, people sometimes wind them once per year on their wedding anniversaries to celebrate the occasion. Shop a selection of anniversary clocks on 1stDibs.
  • 1stDibs ExpertApril 5, 2022
    The original elephant clock designed by Ismail al-Jazari is no longer in existence. However, a larger scale reproduction is on display at the Ibn Battuta Mall in Dubai, United Arab Emirates. Shop a variety of antique and vintage clocks on 1stDibs.
  • 1stDibs ExpertMarch 31, 2023
    An Elliott clock is a clock produced by the company J.J. Elliott, Ltd. The clockworks was based in London and patented a unique tubular bell system for their pieces in 1884. In 1924, the company stopped producing clocks. On 1stDibs, shop a variety of Elliott clocks.
  • 1stDibs ExpertMarch 31, 2023
    A sunburst clock is a wall clock that features a round face surrounded by spokes of wood or metal. This design resembles a shining sun. George Nelson Associates gets credit for designing the first one for the Howard Miller Clock Company in 1950, but many other creators have introduced their own versions over the years. Shop a collection of sunburst clocks on 1stDibs.
  • 1stDibs ExpertApril 5, 2022
    A nautical clock, also known as a marine chronometer, is a timepiece found on ships. The clock dictates a ship’s position by celestial navigation and keeps the current time in comparison to GMT. Browse a wide range of nautical memorabilia, including clocks, on 1stDibs.
  • 1stDibs ExpertSeptember 28, 2021
    A moon clock is an antique eye-catching type of clock that usually stands upright inside a long case. It has elegant depictions of moon phases inscribed on it, making it a perfect choice for giving any desired place a glamorous look. Find a wide array of antique and vintage moon clocks exclusively on 1stDibs.
  • 1stDibs ExpertApril 5, 2022
    A Junghans clock is a timekeeping device made by Junghans Uhren GmbH, a German manufacturer. Erhard Junghans founded the company in Schramberg, Germany on April 15, 1861, and it remains in business to the present day. Shop a variety of Junghans clocks on 1stDibs.
  • 1stDibs ExpertSeptember 25, 2019

    Clocks may be mechanical, electric, pendulum, quartz or atomic.