Two Day Marine Chronometer – Thomas Mercer

This fine chronometer has a silver face signed Thomas Mercer , St Albans England

serial number: 24568

The chronometer has a seconds subsidiary face and the power reserve subsidiary face

The chronometer is secured via gimbal bracket

This is a back wind movement with original crank key

A marine chronometer is a clock that is precise and accurate enough to be used as a portable time standard; it can therefore be used to determine longitude by means of celestial navigation

When first developed in the 18th century, it was a major technical achievement, as accurate knowledge of the time over a long sea voyage is necessary for navigation, lacking electronic or communications aids

Dimensions :

Box: 17cm Height 19cm Width 19cm Depth

Face: 13cm

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