Hamilton GCT G.C.T. Navigator WWII 24 hr Military SILVER B / B SERVICED. Pre-Owned. C $1, or Best Offer. +C $ shipping estimate. from United States. S Y . · One of the war-related watches was a pocket watch with a central sweep second hand. The movement was based on the 21 jewel, 16 size B movement. However, an extra jewel was added to support the second hand pinion, so the movement got 22 jewels and was called the B. The B is known as a "Navigator's Watch" as it was used by aviators to. · The B is a military-spec watch based off the popular B. It has a some great modifications: a sweep second hand with a jeweled bridge as a pinion bearing, not some cheap spring as in many other watches; a hacking lever to stop the balance wheel, which allows accurate time settingEstimated Reading Time: 5 mins.
The watch sets and winds smoothly and measures at approximately mm in diameter. Powering this watch is a genuine Hamilton grade B manual hand winding movement with 22 jewels that runs strong and kept good time over a 24 hour period. Please note that a sidereal day is about 4 minutes shorter than a normal day*. The B is a military-spec watch based off the popular B. It has a some great modifications: a sweep second hand with a jeweled bridge as a pinion bearing, not some cheap spring as in many other watches; a hacking lever to stop the balance wheel, which allows accurate time setting. It is old, so there are scratches and dirt. Weight: g.
Condition:Very good. Check it out in the image. Hamilton Brewster 10K Gold Filled Vintage Watch, 22 Jewel Manual Wind WWII Military Hamilton B 22 Jewel Pocket Watch with Gov't Contract info on. 5 days ago 海外通販ならセカイモン！世界最大級の通販eBay公認の日本向けサービスです。約8億点の海外商品を日本円決済で簡単購入。現地倉庫でひとつひとつ商品.
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