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The Hamilton GG-W-113 American Mil-Spec Pilot's Watch

4.2

My first vintage watch, dating from 1978 which corresponds to my year of birth, bought for my birthday in November 2023, this little Hamilton pilot GG-W-113 is a watch issued by the US Army during the Vietnam War. History: In 1967, the US Army (the US Air Force) began producing the GG-W-113 for its pilots. 3 brands were selected (among others) by the US government: Benrus, Hamilton, Waltham and Marathon. Early examples do not feature any text on the dial, unlike the Marathon watches of the late 1980s. Fifteen jewel movements were required as a minimum, as was the use of tritium luminous material, until the specification was rescinded in 1987. MIL-W-3818B specifications: 1. A 15/17 jewel hand-wound movement 2. Able to withstand shock and survive a 4-foot drop onto a block of wood 3. Daily accuracy of +/- 30 seconds 4. Must be water-resistant 5. Luminous hands for readability at all times 6. Must be anti-magnetic 7. A hacked central seconds hand 8. A minimum power reserve of 36 hours Quite a program... I had been looking for a vintage watch from my birth year for 2 years, I was also looking for a Tissot seastar from 1978 that looks like the PRX but impossible to get my hands on it, so I came across this superb Hamilton whose history I know well, it is in some way the descendant of the khaki field that I particularly like and being a fan of pilot's watches I could only fall for this watchmaking icon. Technical data: 34 mm parkerized stainless steel case, thickness: 11 mm, lug width: 18 mm Movement: 17 jewels, ETA 2750, Hamilton caliber 649 manual winding with stop second functions: hours, minutes and seconds, 24 hour indicator Hesalite glass, water resistant 30 m

3 months ago

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