Joseph Sewill, late 19th century Gunmetal chronograph pocket watch, white enamel dial, black Roman numerals, inset with red numerals, copper hands, subsidiary seconds dial, chronograph dial at 12 position, dial signed 'J. Sewill', maker to the Royal Navy, Locle and Liverpool, Swiss made, Swiss lever movement, in working order, case 2.28 in., total weight 150.8 grams
- Chronograph - A chronograph is a watch that also incorporates the features of a stopwatch, to measure elapsed time. Most chronographs are operated by two buttons, one to start and stop the chronograph second hand, and the other to return that hand to the starting position.
- Movement - The technical name for the workings of a clock or watch, and does not include the dial or case.
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