3057. (25624134/42) B. Haas & Cie. An 18K gold full hunter keyless wind pocket watch with day date function to exhibition back B. Haas & Cie. An 18K (750) yellow gold full hunter keyless wind pocket watch with day date function to exhibition back. Date: Circa 1880 Movement: Nickel plated movement, cut and compensated balance bridge, Swiss lever Dial: White Case: Hinged round, inner cuvette, cartouche and monogram to front, exhibition back with day and date indication Signed: Case Size: 50mm Weight: 117,58g