Oris Big Crown ProPilot Worldtimer

The Oris Big Crown ProPilot Worldtimer, reference 01 690 7735 4063-07 8 22 19-1, is a GMT watch with a 44.7 mm steel case, a see-through case back and 22 mm lugs, on a steel bracelet, water resistant to 100 metres. Behind sapphire domed on both sides, the grey dial shows small seconds and a second time zone in subsidiary displays. A rotating bezel allows forward or backward adjustment of the centre hour hand. The quick-set date appears in a window, while self-winding calibre 690 supplies a 38-hour power reserve.