Courvoisier Brothers, London, Movement No. 629, Case No. 629, 57 mm, 115 g, circa 1890s. A rare pocket watch with jumping centre seconds and duplex escapement according to Edouard Jacot for the Chinese market. Case: 18k gold. Dial: enamel. Movm.: bridge movement, lavishly engraved, duplex escapement, going barrel, five-arm steel balance. Watches of this type for the Chinese marked were usually produced in silver cases. To find such a timepiece in an 18K gold case is a rare case of luck.