DESCRIPTION:
Hamilton Watch Co., Lancaster, Penn., "3992B" Navigation Master Watch for the British Navy, 16 size, 22 jewels, stem wind and set, adjusted to 6 positions and temperature, straight line damascened, nickel plate movement with lever escapement, double roller and whiplash micrometric regulator in a base metal, screw back and bezel, open face case with ordnance department information engraved on case back, and Arabic numeral, white painted "Work Study" (NATO) dial , painted steel hands, serial #3C784, c1942.
CONDITION:
CASE: Minor scuffs and scratches; Plastic crystal; Crystal with fine crazing. DIAL: Very good, a few tiny flakes near screws. HANDS: Good. MOVEMENT PLATES: Minor scratches on plate; Minor scratches on ratchet wheel; Crown wheel with speck of oxidation; Loss to blacking in engraving. MOVEMENT FUNCTION: Running order (winds, sets and ticks). Hamilton made 2494 of the 3992B (with conventional dials) for the Royal Navy c1942. This example was redialed by order of the Ministry of Defense in the 1960's for use as a work study watch, essentially a tool for timing various tasks and procedures, with the goal improving efficiency, maximizing effectiveness, and minimizing costs within the military. The outer chapter, numbered 1 - 10, allowed for recording measurements in decimal time, which made calculations easier. The original MoD designation (HS3, Deck Watch) has been crossed out on the back, and a new number assigned which is engraved over the manufacturers part number, reflecting its changed designation.
ESTIMATE:
$300
-
$500
PRICE SOLD:
$700
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