fixed 18K white gold bezel with engraved tachymetric scale
Rolex calibre 3235 perpetual self-winding movement with date at 3 o'clock that changes instantaneously at midnight in a few thousandths of a second
8 baguette-cut and 3 diamond-set hour markers
calibre 69385 automatic movement with date
approximately 45 hour of power reserve
IWC Portugieser Chronograph Watch - 41.0 mm 5N Gold Case - Silver Dial - Dark Brown Alligator Strap - IW371611 Magnesium fixed 18K white gold bezel41. 0 mm 18K 5N gold case, 13. 0 mm thick, see through sapphire glass back, convex sapphire glass crystal with antireflective coating on both sides, silver plated dial, calibre 69355 automatic movement with chronograph, column wheel, hours, minutes, small seconds, approximately 46 hours of power reserve, dark brown alligator leather strap by santoni. Water resistant to 3 bar.