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Thomas Mercer, St. Albans. No. 1231.


Small English burr walnut mantel chronometer, the case with bevel glazed panels to the top and sides, adjustable brass bun feet, cast brass bezel to the silvered dial with Roman numerals and signed Thomas Mercer No 1231 with subsidiary seconds dial and state of wind indicator, blued steel stop/start button and blued steel hands. The eight day fusee and chain movement with maintaining power, substantial spotted plates with four double screwed pillars. The spotted escapement platform signed Mercer, 13 Jewels, with helical hairspring, cut bimetal balance with circular balance weights, Earnshaw-type spring detent escapement.

  • Date circa 1975
  • Height 9 1/2 inches