Ultra-thin Pocket Watch with ruby cylinder escapement and regulator dial with hours, minutes and bi-metallic thermometer display in Réaumur
Circa 1840 – Switzerland
⌀47mm
Yellow Gold

Ultra-thin Pocket Watch with lever escapement and regulator dial with hours, minutes, seconds, fast/slow regulator indicator and bi-metallic thermometer display in Fahrenheit

Circa 1840 – Switzerland
⌀45mm
Yellow Gold

Ultra-thin Pocket Watch ruby cylinder escapement and regulator dial with hours, minutes and bi-metallic thermometer display in Réaumur

Circa 1835 – Switzerland
⌀47.5mm
Yellow Gold