| A 20th Century Swiss lever by Rolex in a silver half hunter case. Nickelled split three quarter plate keyless movement with going barrel. Plain cock with polished steel micrometer regulator, compensation balance with blue steel overcoil hairspring. Club foot lever escapement. Escape pivots with endstones. White
enamel dial with subsidiary seconds, Roman numerals, blue steel hands. Engine turned silver half hunter case with black enamel chapter ring. The silver cuvette marked "Dennison Watch Case Co Ltd, maker's mark "ALD" in a rectangle
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