Oris Big Crown Complication

The Oris Big Crown Complication, reference 01 582 7678 4061-07 5 20 76FC, is a GMT watch with a 40 mm steel case and a see-through back. The case has 20 mm lugs and a leather strap, with water resistance rated to 100 metres. Beneath domed sapphire, the silver dial displays central seconds with subsidiary indications for date, weekday and a second time zone. A moon phase window adds another display to the dial. Self-winding calibre 582 stores enough energy for a 38-hour power reserve.