steel, gold ~ 0.750Dimensions: dial diameter without crown: 32.3 mmsteel envelope, pr ~ 0.750 gold lunette, ref: 6102.099, Lemania manual-winding movement caliber 1883, serial number: 1658343, signed on the dial: BAUME & MERCIER | GENEVE | logo | SWISS MADE, weight: 41 g, diameter without crown: 32.3 mmConditionsecondary strap new, original strap used included