Rare deck chronometer by Rolex.
Diameter is 51mm.
Rolex supplied this white enamel dial watches for usage as ship deck chronometers, or back-up chronometers for main ship chronometer for British Navy, circa 1938.
The watch bears corresponding "B" mark with arrow marking on the back cover.
These watches were never used as pocket watches, they are lacking bows and holes for bows on pendants.
Dial, case and movement are signed by Rolex.
Condition
The watch appears to be in good condition.
Movement is in good condition, capable of running, but time keeping is not guaranteed.
Dial is in good condition without visible damages .
Case has minor period wear.
Mineral crystal, original hands.
Overall interesting watch in good condition.
Price: 2 700 USD