600 CHF
Navigation Master Watch - 16 Size Enamel Dial Hamilton Watch Co. , U.S.A., Model 3992B, movement No. 3C1054. Made for the U.S. Government and sent to the British Air Ministry (No. A.M. 480-1942), circa 1942. Fine and very rare, chromium plated nickel, keyless military pocket watch with indirect center-seconds, Hamilton balance, precision setting mechanism and the original mahogany fitted box. To be sold without reserve Three-body, “bassine et filets”, reeded bezels, threaded bezel and back, engraved bow. White enamel, bold upright Arabic numerals, outer minute divisions and Arabic five-second numerals, Broad Arrow mark below 12. Blued steel pear and lozenge hands. Rhodium-plated, half-plate, fausses cotes decoration, 22 jewels, straight-line lever escapement, Hamilton monometallic balance with screws and adjusted to temperature and six positions, Elinvar self-compensating Breguet balance spring, micrometric regulator, flexible spring for stopping the balance for precision setting via the crown. Dial, case and movement signed. Diam. 52 mm. Notes The 3992B Master Navigation Watch was made from 1942 to 1945. During that three year period 2,494 examples were made - a very small number compared to 116,262 for the 4992B model. Most were made for the Canadian Government. A very few, including the present watch, were used by the British Air Ministry. The special feature of this watch was the incorporation of a second setting mechanism comprising of a thin flexible spring which s
Auctioneer:
Antiquorum
Date:
2009-10-04
