A two day marine chronometer by Thomas Mercer of St. Albans, circa 1966.

4 inch silvered dial. Number: 25981

Gimbal mounted in brass bowl, with locking arm, within a mahogany box.

Earnshaw escapement.

Tipsy key.

Retailer's label: B. COOKE & SON Ltd 58-59 MARKET PLACE HULL

Label to interior: J. SEWILL LTD. - MAKERS TO THE ROYAL NAVY - 36 Exchange Street East, LIVERPOOL L2 3PT. CLEANED FEBRUARY 74.

Width 20 cm. Depth: 20 cm. Height: 17 cm.

Thomas Mercer Ltd was founded in 1858, makers of chronometers, clocks, instruments and measuring equipment in London and St. Albans.