American Waltham Watch Co. deck watch, 2.80 in., gimbal mounted in 5.12 in. square teak three-layer case, the 15 jewelled movement with maker's details and marked Safety Pinion, silvered dial with Arabic numerals, railtrack minutes, subs seconds at 6.
- Gimbal - On a ship, a gimbal is a pivoted mounting for the compass, clock, chronometer, stoves, drink holders and other equipment which keeps the item horizontal, no matter which way the vessel is leaning.
- Movement - The technical name for the workings of a clock or watch, and does not include the dial or case.
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