Ten years of direct research, and nearly fifty years expirience in manufacturing high-grade watches exclusively have gone into the design and construction of the Hamilton… Read More »Hamilton Grade 992B Technical Bulletin Infomation
Hamilton caliber 748 is U.S.A movement from 1940s. Functions: sub second Manual-winding movement with 18 jewels. F = 18000 A/h Power reserve: N/A Diameter: 23.2 mm More… Read More »Hamilton caliber 748 movement – specifications and photo
Hamilton caliber 721 is U.S.A movement from 1940s. Functions: N/A Manual-winding movement with 17 jewels. F = 18000 A/h Power reserve: 36 hours Dimensions: 1.00 x… Read More »Hamilton caliber 721 movement – specifications and photo
Disassembly of Calendar Mechanism Remove minute work cock by taking out the two small screws. (The large screw holds the setting cap spring in place).… Read More »Servicing Hamilton Grade 694 Calendar
The model of a watch is the overall design of the watch’s movement. In general, the model defines the size and shape of the plates… Read More »What’s the Difference Between Grade and Model on Watches ?