Stopwatch polet detent escapement nautical antiques

Marine chronometer or timepiece
Works perfectly
Completely refurbished by the factory maritime instrument of Kirov. The centuries of traditions of manufacture include: Swiss Precision Technology (pulley) and real jewels for accuracy. (15 Ruby minerals), The accommodation comprises beveled glass mounted inside a sleek, polished mahogany box with brass fittings
The detent escapement appeared around the eighteenth century, when maritime nations did
Competitions for the construction of a timepiece accurate as possible, nautical antiques

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