Oris Watch Big Crown ProPilot Timer GMT. 01 748 7756 4064-07 8 22 08. The perfect luxury watch for any world traveller, the Oris Big Crown ProPilot Timer GMT not only boasts an additional GMT central hand but also comes with an innovative bi-directional bezel adjustment system that allows you to accurately time events as you travel the globe. It’s 44mm stainless steel case remains similar to previous Oris Big Crown watches but has been redesigned to include a slimmer, more ergonomic profile to pair alongside the classic jet engine inspired coin edged bezel. Embraced within the case of this Oris Big Crown ProPilot Timer GMT watch and displayed beautifully through the sapphire crystal glass exhibition case back is the Oris 748 automatic movement. This exceptional Swiss made calibre provides central hour and minute hands coated in Superluminova, an additional 24 hour GMT hand detailed with a striking red arrow tip, a date window at 3 o clock and a subsidiary seconds dial at 9 o clock. These impressive functions are displayed on a smooth black dial housed beneath scratch resistant sapphire crystal glass treated with anti-reflective treatment. As well as being designed for the skies, this Oris Big Crown ProPilot GMT watch is water resistant 100 metres and comes equipped with a screw down security crown and a sophisticated stainless steel bracelet.