Zenith Defy El Primero 21 Chronograph Automatic Skeletal Dial Mens Watch, Ref: 18.9000.9004/71.r585

Automatic mechanical chronograph movement with power reserve indicator and approximately 50 hours of power reserve. Calibre El Primero 9004 automatic movement beating at 36,000 vph (600,000 vibrations per hour). Features a 44 mm diameter rose gold case measuring 14.50 mm thick with an automatic winding mechanism and black rotating bezel ring fixed in position to the sapphire crystal front. The watch includes date functionality displayed at the 9 o'clock position through apertures on the flange. Equipped with a black rubber strap featuring a brown croco-embossed leather top strap for interchangeable bands. Features include analog display, hour and minute indications, small second hand function, chronograph function with three sub-dials (60 seconds, 30 minutes), centisecond resolution via markers around the outer rim of the dial, luminous rose gold-tone hands coated in Super-LumiNova material along with index hour markers also treated for luminescence. The sapphire crystal display caseback is scratch resistant and allows visibility of the movement. Water resistance rated at 100 meters (330 feet), suitable for swimming but not diving.