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Hamilton W10-6645 - Military Watch - Hacking Movement - Caliber 649 - circa.1975



Hamilton - a (British Army) military issue wrist watch. The watch back is numbered W10-6645-99 523-8290 /I\ 5491/75, making it a 1975 watch which still looks like it hasn’t been worn apart from an odd mark from being in storage! The watch has a “hacking feature” calibre 649 movement housed inside a monocoque tonneau shaped stainless steel case.

Finally increasing in popularity once more having been rediscovered, these Hamilton W10s are absolutely beautiful in the flesh. Their elegant case design and brushing, combined with the simple, vivid, legible dial makes for a functional and aesthetic wear. It has quite literally time travelled from 1975, showing no signs of having been initially manufactured so long ago. 

Hamilton produced for the British Armed Forces under the W10 marking between 1973 and 1976. For this to have survived so long in this condition is extremely rare- this is a true gem. The watch succeeded the earlier Smiths production piece, and preceded the CWC production pieces. 

The ‘T’ marking on the dial stands for tritium, the original 1960s/1970s material used to make dials luminescent, a mark which guarantees the originality of the dial. The dial is in stunning and original condition right the way down to the tritium hour plots which are remarkably intact. Perfect condition sword hands, hour plots, tracking ring and broad arrow denotation all typical of military pieces.

The case too is in new old stock condition, with absolutely no wear apart from some storage related marks as we said above. Fixed lug bars as typical of military pieces, notably also present in the ‘Dirty Dozen’ collection.

There is a small rub mark on the outer edge of the upper right lug, which is minor but visible. This will likely polish out and is barely visible, but is worth mentioning as the watch is otherwise new old stock condition and may as already said have been been faintly marked during storage.

Additional information

Made from

Case: Stainless steel

Dial: Hamilton Black military, tritium dial

Crystal: Plexiglas

Bracelet: NATO strap

Technical specifications

Movement type: Manually wound

Calibre: 649

Purchase details

Condition: NOS (new old stock) condition, almost no signs of wear.

Model Reference Number: W10 Military

Date of issue: 1975


Supplied with a 12-month Vintage Watch Specialist guarantee  


Width: 35mm

Lug width: 19mm

Height (lug to lug): 41 mm

Wrist size: Adjustable