Rare Chelsea U.S. Navy 12/24 Hour Engine Room Bulkhead Clock

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Serial No.466580 – Dating from 1940-1944 WW II Period

Presented is a very rare, vintage,U.S. Navy 12/24 hour engine room bulkhead clock, Serial No. 466580, produced by Chelsea Clock Company during the WW II period. This is a n 11 jewel, 8 day movement, although we find that it runs for almost two weeks on a single wind. For best time keeping, it is best to wind these clocks once a week.



and back view

The serial number dates it from 1940-1944. It is housed in a black phenolic case with a black face and clear white numbering, and is in pristine condition. Metal shortages and scarcity during the war mandated that the clocks for the military during this period switched from the bronze & brass cases to phenolic.

                    Chelsea Clock Co. Boston

This fine clock is in near new condition with a pristine face and hands. The case shows some minor age, and someone has engraved the movement number on the back plate. The clock has been recently serviced, and the movement is keeping excellent time.


This clock will make a suitable gift or is worthy of inclusion in a collection of fine marine clocks.



SPECIFICATIONS: Black phenolic case with easy access hinged front opening bezel. This 10 inch clock has an 8 inch viewable area. The face shows in 60 second, 12 and 24 hour configuration with gold hour hands and silver sweep second hand. The Navy serial number shown on the face is 88072E.


max diameter 10“
Bezel  9“
Dial 8“
3 1/48”
Weight    4 lbs.  15oz.


                     Side View


The clock is running strong and keeping good time compared to an accurate quartz watch. There is some minor indication of age with the case. The face is pristine, and in like new condition.

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