Sold to the Canadian Navy in 1942
Dial: painted matte white dial, small Arabic hour markers to inner dial, central minute track in red Arabic numerals, and outermost ring divided into tenths for decimal seconds, cathedral hands, blued steel hour, painted red minute, signed: Hamilton
Movement: 22 jewels, #3C301, Cal: 3992B, size 16, stem-wind and set, nickel finish, 3/4 split plate, damascened decoration, adjusted to temperature and 6 positions, straight line lever escapement with monometallic balance and self-compensating Elinvar Extra Breguet balance spring, swan neck micrometric regulator, stop feature activated by pulling out the winding crown, signed: Hamilton Watch Co.
Case: base metal open-face case by Keystone, #570985, screw-down bezel and back with reeded edge, back signed: Navigation Master Watch 0552-521-0243 / Serial No. 1372-1942 / Hamilton Watch Co. / H.S.3
51mm Dia.
107 grams gross

Good overall condition. Winds, sets and runs. Dial: Good overall condition with slight even oxidation. Movement: Good condition. Case: Good condition. Abrasion, wear and scratches throughout.