Black and Murray marine chronometer

Black and Murray
7 days - marine chronometer

London & Calcutta
No. 624
around 1880

silver-plated dial with roman figures
7 - days - power reserve indicator at 12 o’clock
spade-form-hands

Earnshaw spring-detent escapement
drive about fusee and chain

three-part mahogany case
approx. 20cm x 20cm x 21,5cm