A Regency one-day marine chronometer with experimental pivoted detent escapement
R.C. Wetenhall, London. Circa 1820
Half-plate movement with Earnshaw escapement, steel escape wheel, cut bimetallic Pennington style balance, blued steel helical balance spring, steel pivoted detent with jewelled locking stone
5¾ in. (14.5 cm.) wide box
A Regency one-day marine chronometer with experimental pivoted detent escapement
R.C. Wetenhall, London. Circa 1820
Half-plate movement with Earnshaw escapement, steel escape wheel, cut bimetallic Pennington style balance, blued steel helical balance spring, steel pivoted detent with jewelled locking stone
5¾ in. (14.5 cm.) wide box
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