US Navy UDT "canteen" watch

Historical design · 1940s

A WWII waterproof watch issued to Navy Underwater Demolition Teams, with a screw-on crown cover held by a small chain (the "canteen" cap) and a soldered-in crystal. Hamilton's version used the 987S; the Elgin's movement and the case sizes aren't given by the source.

Homages by price

Sizes in brackets are the difference from the original.

Homage	Price from	Share of original	Dia. mm	L2L mm	Thick mm	WR m	Crystal	Movement
MKII Cruxible Hellion Non-date (satin)	$595	—	39	48.5	13.55	100	Sapphire	Seiko NH38A
MKII Cruxible Hellion Non-date	$649	—	39	48.5	13.55	100	Sapphire	SII NE15
MKII Cruxible Hellion Date	$659	—	39	48.5	13.55	100	Sapphire	SII NE15

Sources

• Worn & Wound, Military Watches of the World, U.S.A. Part 1 (Hamilton and Elgin "canteen" divers for Navy Underwater Demolition Teams)