IWC Pilot's Watch Chronograph 41 - Stainless Steel Case - Green Dial - Brown Calfskin Strap - IW388103 37.0 The Black Bay Chrono is

The Black Bay Chrono is the first chronograph in the TUDOR family

37 mm 18K white gold case set with 860 brilliant-cut diamonds (includes bracelet)

brown external zone

blue dial with Petite Tapisserie pattern

caliber 2933 automatic movement with 24-hour gmt display

IWC Pilot's Watch Chronograph 41 - Stainless Steel Case - Green Dial - Brown Calfskin Strap - IW388103 37.0 The Black Bay Chrono is41. 0mm stainless steel case, 14. 5mm thick, see through sapphire glass back, screw in crown, convex sapphire glass crystal with antireflective coating on both sides, green dial with luminescence, calibre 69385 automatic movement with date, day, chronograph, column wheel, hours, minutes, small seconds, approximately 46 hours of power reserve, brown calfskin strap with easx change system. Water resistant to 10 bar.