APW Royal Oak offshore diver (Orange dial)

Case: 42 mm in Stainless Steel. It includes an internal rotating ring for dive timing, controlled by the crown at 10 o'clock.

Glass/Crystal: Glareproofed sapphire crystal. Sapphire is used for both the front crystal and the caseback, allowing a view of the movement.

Mechanism: Automatic self-winding (AP Calibre 3120 or updated Calibre 4308)- best quality in the market 

Strap: Orange rubber strap that matches the color accents on the crowns.