IWC Portugieser Yacht Club Chronograph Watch - 43.5 mm Stainless Steel Case - Blue Dial - Blue Rubber Strap - IW390507 day-date 31 ct) in a gridless

31 ct) in a gridless setting

screw-down white gold back

approximately 50 hour of power reserve

calibre 79320 self-winding movement with date and day display

engraved back with Expedition Jacques-Yves Cousteau" on the edge and the explorer's image in the center

IWC Portugieser Yacht Club Chronograph Watch - 43.5 mm Stainless Steel Case - Blue Dial - Blue Rubber Strap - IW390507 day-date 31 ct) in a gridless43. 5 mm stainless steel case, 14. 2 mm thick, see through sapphire glass back, screw in crown, arched edge 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, blue rubber strap. Water resistant to 6 bar.