| A large late 19th Century English centre seconds chronograph in a silver open face case. Gilt three quarter plate keywind movement with fusee and chain. Harrison's maintaining power. Engraved cock with polished steel regulator, compensation balance with blue steel spiral hairspring. English table roller
lever escapement. Off white enamel centre seconds dial marked "Centre Seconds Chronograph", Roman numerals, blue steel seconds hand, gilt hands. Plain silver open face case with ribbed middle. Gold hinges, a vacant shield shaped cartouche on the back cover. Gold thumb piece in the band to stop the balance, wound and set through the silver cuvette. Maker's mark "SY" in a rectangle and number
corresponding to that on the movement.
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