Breguet Calibre 537/1 Automatic movement with 184 jewels, 21600 vph. White dial featuring Arabic numeral hour markers and minute markers around the inner ring. Analog display functions: hours, minutes. Sapphire crystal glass for scratch resistance. Black satin strap with fixed white gold bezel set with 117 diamonds. Oval case crafted from 18kt white gold measuring 36.5 mm x 28.45 mm in width and depth respectively. Deployment clasp closure. Transparent case back. Power reserve of approximately 40 hours. Water resistant to 30 meters / 100 feet. Pre-owned Luxury watch style. Swiss guilloche main.