Baume & Mercier, a gentleman's white gold 'Baumatic' wristwatch

Baume & Mercier, a gentleman's white gold 'Baumatic' wristwatch, the oval white dial with black Roman numeral indicators and blackened steel hands, the winder set with a synthetic sapphire cabochon, to an integrated textured white gold bracelet, case width 3cm, dial signed Baume & Mercier, case back with Swiss assay mark for gold, clasp with maker's mark, stamped 750, automatic movement