BAUME & MERCIER. A MEN'S 18K AND 9K YELLOW GOLD AUTOMATIC BRACELET WATCH Model: Baumatic Date: Circa 1970's Case reference: 35114B Movement: Signed, 30-Jewels, Cal. BM 12820 Dial: Signed, gilt, gilt applied batons with black insert, gilt sword hands with black insert, date aperture at the 3 o'clock position Case: Signed, polished 18K yellow gold, snap on back, No. 615XXX Bracelet: 9K yellow gold Milanese style Size: 34.2mm by 36mm Total weight: Approx. 61.6g (34.2mm by 36mm.)