![](https://coimages.sciencemuseumgroup.org.uk/54/191/medium_thumbnail_1934_0651__0002_.jpg)
Chronometer watch by Thomas Earnshaw No.498
- maker:
- Thomas Earnshaw
![Chronometer watch by Thomas Earnshaw No](https://coimages.sciencemuseumgroup.org.uk/42/340/medium_1962_0375.jpg)
Chronometer watch by Thomas Earnshaw No.498, with later barrel cover numbered 2829, balance cock and regulator. In 18 ct. gold case hallmarked 1807/8
Chronometer watch by Thomas Earnshaw No.498, with later barrel cover numbered 2829, balance cock and regulator. In 18 ct. gold case hallmarked 1807/8