Antique 18k Gold Verge Fusee Full Hunter Pocket Watch – London 1807

A Complicated 5 Minute Repeater 18ct Full Hunter Pocket Watch by J Dauer Geneve This double complications of a 5 minute repeater function and a chronograph function. The watch was...

19th Century 9ct Gold Open Faced Machine Engraved Pocket Watch With Shield Detail To Centre Of Back With Turquoise Hands Weight: 46.3 This 19th-century open-faced pocket watch is a ...

An antique 18th Century George III pocket watch featuring a Verge escapement type and a Fusee movement. The watch has a 47mm size and comes with a case. It is a unique timepiece that...

Verge Crown Wheel Key Winding 18K Yellow Gold Ornate Pocket Watch Approx. 48 mm in diameter, 18 mm thick Stamped SH JW with English Gold Hallmarks inside the case. Date mark of F with square box around it. 61.3 dwt / 95.4g The verge (or crown wheel) escapement is the earliest known type of mechanical escapement, the mechanism in a mechanical clock that controls its rate by allowing the gear train to advance at regular intervals or 'ticks'. Its origin is unknown. Verge escapements were used from the late 13th century until the mid 19th century in clocks and pocketwatches. The name verge comes from the Latin virga, meaning stick or rod.[1] Its invention is important in the history of technology, because it made possible the development of all-mechanical clocks. This caused a shift from measuring time by continuous processes, such as the flow of liquid in water clocks...