7 mm thick
Blue dial with an embossed lozenge pattern and a date window at 3 o’clock and its engraved roman numerals
while a fold-over clasp ensures a secure fit
or simply reflect changes in ambient conditions that make the wrist expand or contract
all models in the range are designed with open water activities in mind
IWC Big Pilot’s Watch Big Date Spitfire Edition Mission Accomplished - Bronze Case - Green Dial - Brown Calfskin Strap Limited Edition of 500 - IW510506 Steel 7 mm thick46. 2mm bronze case with soft iron inner case for protection against magnetic fields, 15. 2mm thick, see through sapphire glass back, screw in crown, convex sapphire glass crystal with antireflective coating on both sides, green dial with luminescence, calibre 59235 manual winding movement with big date, hours, minutes, small seconds, power reserve indicator, approximately 192 hours of power reserve, brown calfskin strap. Water resistant to 6 bar.