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1941 Hamilton GCT 22j WWII 4992B Military Army Navigation Pocket Watch & Case
Estimated price for orientation: 1 599 $
Category: Antique
Class:
Description Condition: Pre-owned: An item that has been used or worn previously. See the seller’s listing for full details and description of any imperfections. See all condition definitions- opens in a new window or tab ... Read moreabout the condition Brand: Hamilton MPN: 4992B Material: Base Metal Serial Number: 4C37353 Closure: Open Face Country/Region of Manufacture: United States Features: 24-Hour Dial, Arabic Numerals Age: 1941 Movement: 22 Jewels Gov 4992B Case Material: Base Metal Country Made: USA Number of Jewels: 22 Model: 5 Pocket Watch Size: 16
Please look at all pictures.Original Dial.Hamilton Watch Co.USA.Included is the Rare Brass U.S. Army Aircraft watch case with glass intact as pictured!!!!!During World War II, Hamilton produced a variety of time pieces to support the war effort. In fact, all of Hamilton's production was dedicated to defense purposes. However, they did still produce some wrist watches using excess movements produced in the 1920's.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 992B movement. However, an extra jewel was added to support the second hand pinion, so the movement got 22 jewels and was called the 4992B.
The 4992B is known as a "Navigator's Watch" as it was used by aviators to aid in navigation by the US Navy during the war.Here's a couple of advertisements from WWII-era Life Magazines that featured the 4992B. You'll often see 4992B's in a case or a box that was intended to isolate it and protect it from shocks or accidental damage.If you look closely at the dial, you'll see that it's a 24 hour dial so it takes a full day for the hour hand to make a full rotation. 12:00 noon on a 24 hour dial looks like 6:00 on a 12-hour dial. The minute hand still makes it around the dial in one hour, so the ratio of the minute hand to the hour hand is modified using a different minute wheel and hour wheel ratio.
Description
| Condition: | Pre-owned: An item that has been used or worn previously. See the seller’s listing for full details and description of any imperfections. See all condition definitions- opens in a new window or tab ... Read moreabout the condition | Brand: | Hamilton |
| MPN: | 4992B | Material: | Base Metal |
| Serial Number: | 4C37353 | Closure: | Open Face |
| Country/Region of Manufacture: | United States | Features: | 24-Hour Dial, Arabic Numerals |
| Age: | 1941 | Movement: | 22 Jewels Gov 4992B |
| Case Material: | Base Metal | Country Made: | USA |
| Number of Jewels: | 22 | Model: | 5 |
| Pocket Watch Size: | 16 |
Please look at all pictures.Original Dial.Hamilton Watch Co.USA.Included is the Rare Brass U.S. Army Aircraft watch case with glass intact as pictured!!!!!
During World War II, Hamilton produced a variety of time pieces to support the war effort. In fact, all of Hamilton's production was dedicated to defense purposes. However, they did still produce some wrist watches using excess movements produced in the 1920's.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 992B movement. However, an extra jewel was added to support the second hand pinion, so the movement got 22 jewels and was called the 4992B.
The 4992B is known as a "Navigator's Watch" as it was used by aviators to aid in navigation by the US Navy during the war.Here's a couple of advertisements from WWII-era Life Magazines that featured the 4992B. You'll often see 4992B's in a case or a box that was intended to isolate it and protect it from shocks or accidental damage.If you look closely at the dial, you'll see that it's a 24 hour dial so it takes a full day for the hour hand to make a full rotation. 12:00 noon on a 24 hour dial looks like 6:00 on a 12-hour dial. The minute hand still makes it around the dial in one hour, so the ratio of the minute hand to the hour hand is modified using a different minute wheel and hour wheel ratio.