41 mm Oystersteel case
screw-down white gold back
28mm Everose Rolesor case comprised of a 904L steel monobloc middle case
octagonal crown crown set with a brilliant-cut diamond
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 41 mm Oystersteel case43. 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.