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Thomas Mercer No. 1231

Small English burr walnut mantel chronometer.

Case

Burr walnut and ebony lined case with bevel glazed panels to the top and sides, adjustable brass bun feet, cast brass bezel.

Dial

Round silvered dial with Roman numerals signed Thomas Mercer No 1231 with subsidiary seconds dial and state of wind indicator, blued steel stop/start button and blued steel hands. 

Movement 

The high quality eight day chain fusee movement with Harrison's maintaining power, substantial spotted plates with four double screwed pillars. The spotted escapement platform signed Mercer, 13 Jewels, with helical balance spring, cut bimetal balance with circular balance weights, Earnshaw-type spring detent escapement.

Date circa 1975

 

This superb precision eight day mantel chronometer was made by the famous chronometer makers Thomas Mercer. They supplied many of the top clockmakers with their mantel chronometers, including Charles Frodsham and Breguet. Thomas Mercer was founded in 1858 and was the longest surviving chronometer makers in the world and made 30,000 marine chronometers. 

 

Dimensions

24




Condition report

Excellent

The BADA Standard

  • Since 1918, BADA has been the leading association for the antiques and fine art trade
  • Members are elected for their knowledge, integrity and quality of stock
  • Our clients are protected by BADA’s code of conduct
  • Our dealers’ membership is reviewed and renewed annually
  • Bada.org is a non-profit site: clients deal directly with members and they pay no hidden fees
Click here for more information on the BADA Standard