black Inner bezel
44 mm polished and satin-finished 18k king gold case
silvered gold dial with 5-day power-reserve indicator and running seconds on the tourbillon shaft
openworked dial with white mother-of-pearl off-centred disc and small seconds counter
self winding HUB 41 movement with chronograph function
IWC Portugieser Yacht Club Chronograph - Stainless Steel Case - Blue Dial - Stainless Steel Strap - IW390701 Automatic black Inner bezel44. 6mm stainless steel case, 14. 3mm thick, see through sapphire glass back, screw in crown, convex sapphire glass crystal with antireflective coating on both sides, blue dial with luminescence, calibre 89361 automatic movement with date, chronograph, flyback, hours, minutes, small seconds, approximately 68 hours of power reserve, stainless steel strap. Water resistant to 6 bar.