Only Online Auction

Geneva, Dec 08, 2022

LOT 121

Hamilton Watch Co.
Military pocket watch, 24-hour indication, centre-seconds, calibre grade 4992 B; “G. C. T.”; chromium-plated metal

CHF 300 - 600

EUR 350 - 650 / USD 350 - 650 / HKD 2,500 - 5,000

Sold: CHF 437

Chromium-plated metal, open-face, keyless-winding, round-shaped, military pocket watch, black colour dial with 24-hour indication, centre-seconds and “G. C. T.” mention.

Bezel and case-back screwed.


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Grading System
Grade: A

Good

Case: 3

Good

Movement: 3*

Good

Overhaul recommended, at buyer's expense

Dial: 3-01

Good

HANDS Original

Brand Hamilton, Lancaster, Pennsylvania (U.S.A.)

Year circa 1941

Movement No. 4 C 11 012

Case No. 007 499 (by Keystone Watch Case Co., Philadelphia, and Riverside, New Jersey, U.S.A.)

Material chromium-plated metal

Diameter 51.8 mm.

Caliber size 16s, grade 4992 B, model 5, adjusted temperature and 6 positions, 22 jewels

Weight 110.5 gr. (approx.)

Signature movement

Notes

The movement used in this watch was produced at 144 995 examples.

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“G. C. T.” (Greenwich Civil Time)

Called the “Master Navigational Watch”, these pocket watches were used by the Navigator on Bomber aircraft like the B-17, B-24, and B-29. Each dial was marked with “G. C. T.”, known at the time as “Greenwich Civil Time” because that was the standard European time-zone.