IWC Portugieser Automatic Watch - 42.3 mm 5N Gold Case - Slate Dial - Brown Alligator Strap - IW500702 President Rolex calibre 2236 perpetual self-winding

Rolex calibre 2236 perpetual self-winding movement with date at 3 o'clock

black dial

interchangeable full back and sapphire-crystal back

shiny blue alligator leather strap

IWC Portugieser Automatic Watch - 42.3 mm 5N Gold Case - Slate Dial - Brown Alligator Strap - IW500702 President Rolex calibre 2236 perpetual self-winding42. 3 mm 18K 5N gold case, 14. 2 mm thick, see through sapphire glass back, convex sapphire glass crystal with antireflective coating on both sides, slate coloured dial, calibre 52010 automatic movement with date, hours, minutes, small seconds, power reserve indicator, approximately 168 hours of power reserve, brown alligator leather strap. Water resistant to 3 bar.