瑞士，56 mm，48 gr.，約 1900 罕見的瑞士象牙懷錶，附象牙鑲飾橋樑機芯 Swiss, 56 mm, 48 g, circa 1900A rare Swiss ivory watch with chatoned ivory bridge movementCase: ivory. Dial: enamel. Movm.: ivory, screw compensation balance #43498
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