Authentic Baume and Mercier Riviera watch model 10727. Features a blue dial with sapphire crystal, brushed and polished stainless steel case band, Roman numeral hour markers, silver tone hands, quartz movement powered by battery, date display, round shape measuring 33mm in diameter and approximately 9.12mm thick, solid case back, water resistant to 50 meters (approx. 165 feet) depth, comes known as model M0A10727.