Skip to main content

Vintage Omega Square

2
to
7
186
38
231
137
64
42
34
28
21
14
6
2
46
12
11
8
5
Sort By
1950s Swiss Omega Square Table Clock
By Omega
Located in Marbella, ES
1950s Swiss Omega square table cock.
Category

Mid-20th Century European Vintage Omega Square

Materials

Bronze

Vintage 1950s Swiss Omega Square Table Clock
1950s Swiss Omega Square Table Clock
H 4.14 in W 5.91 in D 1.19 in
Superb Vintage Omega De Ville "Square" Handwind Mint Watch Boxed
By Omega
Located in Toronto, CA
Brand : Omega Model: De Ville Country Of Manufacture: Switzerland Movement: Handwind
Category

1980s Swiss Vintage Omega Square

Materials

Gold Plate

Omega Rare Yellow Gold Double Signed Dial Square Open Face Pocket Watch
By Omega
Located in London, GB
A rare Omega yellow gold double signed square open face pocket watch, C1930. Dial: The beautiful
Category

20th Century Swiss Vintage Omega Square

Materials

Yellow Gold, 18k Gold

Omega Constellation 1631.79.11
By Omega
Located in Surfside, FL
buckle. This Omega watch has a 19 x 24 mm case with a Square caseback and Mother Of Pearl Diamond dial
Category

20th Century Vintage Omega Square

Materials

Yellow Gold

Vintage Omega Constellation 1631.79.11
Omega Constellation 1631.79.11
Free Shipping
H 0.95 in W 0.75 in
Vintage Omega Seamaster Memomatic
By Omega
Located in London, GB
control button. The silver dial signed ‘Omega Memomatic’ with raised baton hour markers, date square at
Category

1970s Swiss Vintage Omega Square

Materials

Stainless Steel

Vintage Omega Seamaster Memomatic
Vintage Omega Seamaster Memomatic
Free Shipping
H 1.7 in W 1.58 in Dm 1.58 in
Vintage Omega Seamaster Memomatic
By Omega
Located in London, GB
Stylish Vintage Omega Seamaster Memomatic, Model Ref. 166.072. Automatic winding calibre 980
Category

1970s Swiss Vintage Omega Square

Materials

Stainless Steel

Vintage Omega Seamaster Memomatic
Vintage Omega Seamaster Memomatic
Free Shipping
H 1.7 in W 1.58 in
Retro Omega Gold Dress Wristwatch
By Omega
Located in Mount Kisco, NY
Make a bold gold statement with this retro eighteen karat 18k yellow satin gold Omega 620 dress
Category

1960s Swiss Vintage Omega Square

Materials

Gold, 18k Gold

Art Deco Style 1950s Swiss Ruby and Diamond Yellow Gold Omega Watch
By Omega
Located in Jesmond, Newcastle Upon Tyne
gold set Omega watch; part of our diverse vintage jewelry collections. This stunning, fine and
Category

1950s Swiss Art Deco Vintage Omega Square

Materials

Diamond, Ruby, 18k Gold, Yellow Gold

Omega Tank Watch 14K Yellow Gold
By Omega
Located in New York, NY
This is a Omega tank watch in 14K yellow gold. This watch is a reference 6696. The watch is powered
Category

1960s Swiss Retro Vintage Omega Square

Materials

Yellow Gold

Vintage Omega Tank Watch 14K Yellow Gold
Omega Tank Watch 14K Yellow Gold
Free Shipping
H 0.87 in W 0.87 in
Omega 14K Gold Tank Watch Manual Wind
By Omega
Located in New York, NY
Discover the elegance of the OMEGA Vintage 1960's 14KT Gold 27mm x 27mm Square Case Watch. With its
Category

1960s Swiss Retro Vintage Omega Square

Materials

14k Gold

Omega 14K Gold Tank Watch Manual Wind
Omega 14K Gold Tank Watch Manual Wind
Free Shipping
W 1.07 in L 1.07 in
Omega King Midas Yellow Gold Quartz Men's Wristwatch
By Omega
Located in Stamford, CT
Omega King Midas 18k yellow gold 8 inch wristwatch. Circa 1960-1970 Omega produced this men's watch
Category

Mid-20th Century Vintage Omega Square

Materials

Quartz, Yellow Gold, Gold, 14k Gold

Omega 9k Yellow Gold Watch Manual Wind Vintage Watch
By Omega
Located in Houston, TX
(mechanical) Omega 625, 17 Jewels Material : 9k gold Case Size : 21mm Square Crystal : Sapphire Dial Color
Category

1970s Vintage Omega Square

Materials

Yellow Gold

Vintage Square Omega Watch Ring
Located in London, GB
This is a wonderful Vintage Omega watch ring. It features a square face with a gold dial, black
Category

20th Century Vintage Omega Square

Materials

Gold, Yellow Gold

Omega 18 Karat Yellow Gold Men's Dress Wrist Watch with Box
By Omega
Located in Mount Kisco, NY
Bold, all in 18 Karat Yellow Gold, this sleek Omega Men's Dress Wrist Watch evokes the revered
Category

1960s Swiss Vintage Omega Square

Materials

18k Gold, Yellow Gold

Omega 1970s De Ville 'Emerald' Collection, Emerald-Cut Raised, Oblong Case
By Omega
Located in London, GB
Omega De Ville 'Emerald' Collection | REF. 8271 | Gold Dial | Emerald-Cut Raised Glass | Oblong
Category

1970s European Art Deco Vintage Omega Square

Materials

Yellow Gold

Ladies Omega Red and Black Cloisonne 14 Karat Yellow Gold Link Bracelet Watch
By Omega
Located in Mount Kisco, NY
square link of fourteen karat 14K yellow gold along this fine Ladies Omega Bracelet Wrist Watch. This
Category

1940s Swiss Vintage Omega Square

Materials

14k Gold, Yellow Gold

Vintage MAZ Square Dome 14k Gold & Onyx Omega Clip Earrings
By Maz
Located in Portland, OR
These are incredible vintage 14k gold square domed earrings with a black onyx center stone. The
Category

1980s American Vintage Omega Square

Materials

Onyx, 14k Gold

Roy King for Omega Large Yellow Gold and Lapis Dial Midcentury Wristwatch
By Roy King for Omega
Located in Chicago, IL
Circa 1970 Roy King ( London ) for Omega Mid Century modern design 18K Yellow Gold Ladder form
Category

1970s British Modernist Vintage Omega Square

Materials

Lapis Lazuli, 18k Gold

Christian Dior Vintage 1980s Crystals Square Pendant Omega Choker Gold Necklace
By Christian Dior
Located in Wokingham, England
Christian Dior Vintage 1980s Crystals Sparkling Square Pendant Omega Choker Collar Necklace, Gold
Category

1980s German High Victorian Vintage Omega Square

Materials

Gold Plate

Christian Dior Vintage 1980s Omega Collar Square White Crystals Silver Necklace
By Christian Dior
Located in Wokingham, England
% Genuine. This pieces dates to the 1980s and features a broad timeless omega style collar set with a
Category

1980s German Art Deco Vintage Omega Square

Materials

Silver Plate

Christian Dior Vintage 1980s Omega Collar Shining Crystals Square Gold Necklace
By Christian Dior
Located in Wokingham, England
. This pieces dates to the 1980s and features a broad timeless omega style collar set with a crystal
Category

1980s German Art Nouveau Vintage Omega Square

Materials

Gold Plate

Emerald and Diamond Pendant on Gold Omega Necklace
Located in Miami Beach, FL
17" Long 14K yellow gold Omega necklace featuring a removable emerald and diamond pendant. The
Category

20th Century Vintage Omega Square

Materials

Diamond, Emerald, Gold, 14k Gold, 18k Gold, White Gold, Yellow Gold

Emerald and Diamond Pendant on Gold Omega Necklace
Emerald and Diamond Pendant on Gold Omega Necklace
Free Shipping
H 1.04 in W 0.85 in D 0.25 in L 17.5 in
Tiffany & Co. A. Cummings 18K Yellow Gold Mother Of Pearl Square Clip Earrings
By Tiffany & Co.
Located in New York, NY
featuring 12 embellishments of mother of pearl inlay in a geometric checkerboard square design featuring
Category

1980s American Retro Vintage Omega Square

Materials

Pearl, Gold, 18k Gold, Yellow Gold

Vintage Christian Dior Crystal Omega Choker Necklace 1980s
By Christian Dior
Located in Wilmslow, GB
featues a broad timeless omega style collar set with a crystal embellished square motif. Vintage
Category

1980s Vintage Omega Square

Vintage 18K Gold & Cabochon Garnet Earrings, Omega Backs, Mid-20th Century
Located in Chatham, CA
8.64 carats (10 mm. in diameter) - finest quality workmanship and detail - hand made - omega backs
Category

Mid-20th Century European Art Deco Vintage Omega Square

Materials

Garnet, 18k Gold, Yellow Gold

Blue Topaz Diamond White Gold Square Earrings
Located in Miami Beach, FL
Beautifully made 18k white gold square earrings featuring a centrally set square blue topaz in a
Category

Late 20th Century Vintage Omega Square

Materials

Diamond, Topaz, Blue Topaz, 18k Gold, White Gold

Blue Topaz Diamond White Gold Square Earrings
Blue Topaz Diamond White Gold Square Earrings
Free Shipping
W 0.63 in D 0.28 in L 0.63 in
14 Karat Yellow Gold Diamond Sapphire and Ruby Omega Back Earrings
Located in Addison, TX
by 24 square step cut rubies weighing a total of approximately 1.00ctw. carats and 22 baguette cut
Category

Late 20th Century Unknown Retro Vintage Omega Square

Materials

Sapphire, Diamond, Ruby, 14k Gold, Yellow Gold, White Gold

14 Karat Yellow Gold Diamond Sapphire and Ruby Omega Back Earrings
14 Karat Yellow Gold Diamond Sapphire and Ruby Omega Back Earrings
Free Shipping
H 0.35 in W 0.6 in D 0.28 in L 1.34 in
Vintage Pair of 14k Yellow Gold Ridged-Hoop Earrings w/ Omega Clips
Located in Shippensburg, PA
hoop earrings entirely crafted of 14 karat yellow gold, they hang on stud posts with omega clip-backs
Category

20th Century American Mid-Century Modern Vintage Omega Square

Materials

Gold

Estate 18K Large Diamond Ruby Bow Omega Clip Earrings 9.40cttw G Vs
Located in Winter Springs, FL
matched F-G color Vs1-2 clarity round diamonds and another 2.40cttw in bright, vibrant square cut rubies
Category

1980s Contemporary Vintage Omega Square

Materials

Diamond, Ruby, 18k Gold

Seidengang Square Dangle Diamond Earrings 18K Yellow & White Gold
By SeidenGang
Located in Dallas, TX
Seidengang Square Dangle Diamond Earrings in 18K Yellow & White Gold. Post and omega closure. 1
Category

1990s Vintage Omega Square

Materials

Diamond, 18k Gold, White Gold, Yellow Gold

Estate Bulgari Square Pave Diamond Earrings 18K Yellow Gold
By Bulgari
Located in Dallas, TX
Estate Bulgari Square Pave Diamond Earrings in 18K Yellow Gold. The earrings feature 4ctw of pave
Category

1980s Modern Vintage Omega Square

Materials

Diamond, Yellow Gold, 18k Gold

Estate Diamond Omega French Clip Huggie Earrings 14 Karat White Gold 1 Carat
Located in Carmel-by-the-Sea, CA
Estate diamond earrings designed in 14 karat white gold. Square princess and round brilliant cut
Category

1990s Vintage Omega Square

Materials

Diamond, 14k Gold, White Gold

Barry Kieselstein-Cord Square Pyramid Textured Gold Earrings, 1984
By Barry Kieselstein-Cord 1
Located in New York, NY
hallmarks and year is on the back of the earrings The earrings are Omega Backs with Post The earrings
Category

20th Century American Retro Vintage Omega Square

Materials

Gold, 18k Gold, Yellow Gold

11 Carat Diamond Line Omega Necklace in Yellow Gold with Golden South Sea Pearl
Located in Sherman Oaks, CA
to sensational. The starting point was an 18 karat gold line/omega chain with five little four
Category

Late 20th Century American Contemporary Vintage Omega Square

Materials

South Sea Pearl, Diamond, White Diamond, Pearl, Cultured Pearl, Gold, 14...

Vintage Tiffany & Co Citrine Earrings Square Sterling Silver 18k Gold Jewelry
By Tiffany & Co.
Located in Torrance, CA
square shaped mounts, bordered with an 18k yellow gold rope setting. The retired earrings are no longer
Category

Late 20th Century Unknown Modern Vintage Omega Square

Materials

Citrine, Gold, 18k Gold, Yellow Gold, Silver, Sterling Silver

Amethyst Diamond Square Earrings Vintage 14k Yellow Gold MOP Estate Jewelry
Located in Torrance, CA
Stylish pair of vintage amethyst, diamond & mother of pearl square earrings crafted in 14k yellow
Category

Late 20th Century Unknown Modern Vintage Omega Square

Materials

Amethyst, Diamond, White Diamond, 14k Gold, Yellow Gold

Italian 1970 Geometric Squares Clip on Earrings In Solid 18Kt Yellow Gold
Located in Miami, FL
A modernist geometric squares earrings A pair of geometric clips-on earrings, created in Italy
Category

1970s Italian Modernist Vintage Omega Square

Materials

Gold, 18k Gold, Yellow Gold

Henry Dunay New York Textured 18Kt Yellow Gold Squared Geometric Earrings
By Henry Dunay
Located in Miami, FL
omega backs for fastening clip. The total weight of this pair is 17.3 grams and have a squared measure
Category

1990s American Contemporary Vintage Omega Square

Materials

Gold, 18k Gold, Yellow Gold

White Gold Amethyst & Diamond Cluster J-Hoop Earrings, 14k Square .84ctw Pierced
Located in Greensboro, NC
Metal Content: 14k White Gold Stone Information: Genuine Amethysts Carats: .80ctw Cut: Square
Category

Late 20th Century Unknown Vintage Omega Square

Materials

Amethyst, Diamond, White Gold

Angela Cummings 1980 Rare Squared Earrings 18Kt Yellow Gold with Abalone Shell
By Angela Cummings
Located in Miami, FL
Pair of squared earrings designed by Angela Cummings. An elegant and colorful free-forms shaped
Category

1980s American Retro Vintage Omega Square

Materials

Gold, 18k Gold, Yellow Gold

Blue Topaz Gemstone Earrings Estate 18k White Gold Large Square Cocktail Jewelry
Located in Torrance, CA
. The earrings are ideal for day or evening wear. The earrings are fitted with post & hinged omega
Category

Mid-20th Century Unknown Modern Vintage Omega Square

Materials

Garnet, Ruby, Sapphire, Blue Sapphire, Yellow Sapphire, Topaz, Tsavorite...

Jean Mahie Paris Artistic Vintage Squared Clips Earrings in Textured 22Kt Yellow
By Jean Mahie
Located in Miami, FL
hammered patterns. Suited at the reverse with comfortable hinged French omega backs for fastening clips and
Category

1980s French Modernist Vintage Omega Square

Materials

Gold, 22k Gold, Yellow Gold

Vintage 14k Gold 40ctw Large Domed Cabochon Amethyst Bezel Set Button Earrings
Located in Montclair, NJ
to wear upon arrival! Enjoy:) --Stone(s):-- (2) Natural Genuine Amethyst - Square Cabochon Cut
Category

1970s Vintage Omega Square

Materials

Amethyst, 14k Gold, Yellow Gold

Piaget Rare Yellow Gold Lapis Lazuli & Malachite Set Vintage Watch
By Piaget
Located in London, GB
presentation box, a valuation for insurance from Omega Vintage Watches dated January 2013, our own guarantee of
Category

20th Century Swiss Vintage Omega Square

Materials

Lapis Lazuli, Malachite, 18k Gold, Yellow Gold

Manfredi 1990 Geometric Red Earrings In 18Kt Yellow Gold With Two Aquamarines
By Manfredi
Located in Miami, FL
circles which are enameled in vivid red contrasting with the squared blue aquamarines. Fitted at the
Category

1990s Italian Modernist Vintage Omega Square

Materials

Aquamarine, Gold, 18k Gold, Yellow Gold

8.00 Carat Invisible Set Sapphire and Diamond Clip Earrings with Fold Down Post
Located in Chevy Chase, MD
earrings contain five rows of square cut Sapphires set between two rows of round brilliant cut Diamonds
Category

Late 20th Century Unknown Retro Vintage Omega Square

Materials

Diamond, Sapphire, 18k Gold, Yellow Gold

Tiffany & Co 1982 Angela Cummings Earrings in 18k Gold with Black Jade
By Angela Cummings for Tiffany & Co.
Located in Napoli, Italy
Checkerboard earrings, designed by Angela Cummings for Tiffany & Co. Beautiful vintage squared
Category

Late 20th Century Vintage Omega Square

Materials

Jade, Black Jade, Gold, 18k Gold, Yellow Gold

Art Deco Style Tanzanite and Diamond Clip On Earrings in 18k Gold
Located in London, GB
. Each earring features a large scissor-cut (similar to square-cut) tanzanite of a deep violetish-blue
Category

20th Century British Art Deco Vintage Omega Square

Materials

Diamond, Tanzanite, Yellow Gold, Gold, 18k Gold, White Gold

Art Deco Style Sapphire Diamond Stud Earrings
Located in Mount Kisco, NY
round sapphire bezel set and framed by matching square cut sapphires, .64 TW. Adding light to this
Category

1960s American Vintage Omega Square

Materials

Diamond, Sapphire, 14k Gold, Yellow Gold

18 Karat Gold Earrings with Mabe Pearls and Multicolored Semi Precious Stones
Located in New York, NY
Contemporary designed square 18 kt yellow gold earrings. The earrings are composed of hi polished
Category

1990s Contemporary Vintage Omega Square

Materials

Pearl, Tourmaline, Amethyst, Citrine, 18k Gold, Yellow Gold

Wempe 0.75 Carat Diamond Earrings
By Wempe
Located in London, GB
, Wempe. These pieces take on a square form and showcase an array of round brilliant cut diamonds within a
Category

Late 20th Century Vintage Omega Square

Materials

Diamond, Gold, White Gold, Yellow Gold

Diamond Earrings 14K White Gold Princess Cut Invisible Set 6.48 TDW
By Estate Jewelry
Located in East Brunswick, NJ
. These exquisite earrings feature 81 square diamonds for each earring. The diamonds are about 2mm each
Category

Late 20th Century Vintage Omega Square

Materials

Diamond, 14k Gold, White Gold

Estate 6.28cttw Diamond 18K Quatrefoil Statement Earrings
Located in Miami, FL
 set in 18K white gold. square-cut diamonds at the center, encircled by a delicately soft-cornered
Category

1990s American Vintage Omega Square

Materials

Diamond, 18k Gold

18KT YG 2.17Ct Diamond 4.41 Ct. Gem Stone and Pearl Interchangeable Earclips
By Cellini
Located in New York, NY
diamonds, each tipped with square cut stones in ruby, emerald and sapphires. The center of the earrings are
Category

1990s Unknown Retro Vintage Omega Square

Materials

Diamond, Emerald, Pearl, Ruby, Blue Sapphire, 18k Gold, Yellow Gold

Carl F Bucherer 1340 Lemania Chronograph
Located in London, GB
, black dial with tritium square hour markers, two sub-dials positioned at 6 and 9 o'clock, date aperture
Category

1970s British Vintage Omega Square

Materials

Steel

Carl F Bucherer 1340 Lemania Chronograph
Carl F Bucherer 1340 Lemania Chronograph
Free Shipping
H 1.66 in W 1.5 in
14 Karat White Gold Diamond and Sapphire Earrings #15084
Located in Washington Depot, CT
square cut sapphires and six round single cut diamonds set in classic 14K white gold. Omega back closures
Category

20th Century Vintage Omega Square

Materials

White Diamond, Blue Sapphire, Gold, 14k Gold, White Gold

18K Two-Tone Gold Sapphire and Diamond Earrings #15945
Located in Washington Depot, CT
earrings each features four square cut sapphires and four round brilliant cut diamonds set in 18K yellow
Category

20th Century Vintage Omega Square

Materials

Diamond, Sapphire, 18k Gold, White Gold, Yellow Gold

Earrings with Faceted Lime Citrines in Hammered Yellow Gold by MAZ
By The Mazza Company
Located in San Rafael, CA
Company). Approximately 13.6mm (a little over 1/2 inch) square, the citrines are an extraordinary color
Category

Late 20th Century American Contemporary Vintage Omega Square

Materials

Citrine, 14k Gold, Yellow Gold

European Classic Clips On Earrings In Solid 18Kt Yellow Gold & Cabochon Of Coral
Located in Miami, FL
, created in Europe in the late 20th century. They was crafted with squared shape in solid yellow gold of 18
Category

Late 20th Century Italian Modernist Vintage Omega Square

Materials

Coral, Gold, 18k Gold, Yellow Gold

1980s Seidengang Citrine 18 Karat Gold Ear Clips
By SeidenGang
Located in New York, NY
matched square bright orangy-yellow citrines with a domed multifaceted top give these gemstones an
Category

1980s American Vintage Omega Square

Materials

Citrine, Diamond, 18k Gold

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

Vintage Omega Square For Sale on 1stDibs

You are likely to find exactly the vintage omega square you’re looking for on 1stDibs, as there is a broad range for sale. Frequently made of gold, 18k gold and yellow gold, this item was constructed with great care. If you’re looking for a vintage omega square from a specific time period, our collection is diverse and broad-ranging, and you’ll find at least one that dates back to the 20th Century while another version may have been produced as recently as the 20th Century. Finding an appealing vintage omega square — no matter the origin — is easy, but Omega, Angela Cummings for Tiffany & Co. and Tiffany & Co. each produced a popular version that is worth a look. A vintage omega square of any era or style can lend versatility to your look, but a version featuring diamond, from our inventory of 75, is particularly popular. A square cut version of this piece has appeal, but there are also round cut and brilliant cut versions for sale. Most of our vintage omega square for sale are for women, but there are 75 pieces available to browse for men.

How Much is a Vintage Omega Square?

Prices for a vintage omega square can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $0 and can go as high as $250,000, while this accessory, on average, fetches $4,000.
Questions About Vintage Omega Square
  • 1stDibs ExpertNovember 1, 2023
    To identify your vintage Omega watch, first find its serial number. Those made before 1944 have seven-digit numbers; from 1944 on, the numbers have eight digits. On vintage models, the serial number is engraved on the inside of the case back.You can cross-reference this number online to find out what model your watch is. Explore a wide variety of Omega watches on 1stDibs.
  • 1stDibs ExpertApril 5, 2022
    Wind a vintage Omega watch by twisting the crown at the side in a clockwise direction. Stop winding once you feel the movement of the crown stop. Browse a range of authenticated vintage and contemporary Omega watches from top sellers on 1stDibs.
  • 1stDibs ExpertDecember 12, 2023
    To tell if an Omega Seamaster is vintage, first look for the location of the serial number. If you find it on the inside of the caseback rather than on the bottom of one of the lugs, your timepiece is likely vintage. You can also cross-reference the serial number with trusted online resources to find out its age and explore its previous ownership history. On 1stDibs, shop a wide range of Omega Seamaster watches.
  • 1stDibs ExpertApril 5, 2022
    You can tell if an Omega watch is real by looking for the serial numbers. An authentic Omega watch will have a seven or eight-digit serial number on the inside of the case back. Shop a collection of Omega watches from some of the world’s top sellers on 1stDibs.
  • 1stDibs ExpertJanuary 23, 2024
    To identify a vintage Omega watch, first find its serial number. On most vintage timepieces, this number appears on the inside of the caseback. By cross-referencing the number with the information provided by trusted online resources, you can learn what model your watch is and discover other details like its ownership history. On 1stDibs, explore a wide range of vintage Omega watches.
  • 1stDibs ExpertApril 5, 2022
    You can check if your vintage Omega watch is the real deal by cross-referencing the serial number stamped on the watch. The serial number is seven to eight digits long, and if it doesn’t match the company’s database, this is a serious red flag that can indicate that the piece is fake. You can also shop expertly vetted vintage Omega watches from some of the world’s top sellers on 1stDibs.
  • 1stDibs ExpertMarch 22, 2022
    The best vintage Omega timepiece to buy is largely a matter of personal preference. The Seamaster and Speedmaster are two timeless options available in a variety of finishes and styles. No matter which watch you choose, only buy from a reputable dealer or online platform to ensure you receive an authentic timepiece. You'll find a collection of expertly vetted Omega watches on 1stDibs.
  • 1stDibs ExpertMarch 22, 2022
    Unless you have training in jewelry repair, you should not take the back off a vintage Omega watch on your own. Opening the timepieces requires a specially designed tool available only to jewelers authorized to service Omega watches. Shop a selection of Omega watches on 1stDibs.