21/18mm Black Alligator Embossed Calf Leather Strap for IWC 3717/3777 Pilot Chronograph Models Feynman Case Height 15

Case Height 15

minutes & seconds

actuated by the crown at 4 o’clock - mineral crystal - screwed caseback - screw-down crown - 200m water-resistant

3 Slot Travel Case

This new model inherits the original display system that shows the calendar for more than 20 years by corresponding the last 2 digits of the years and months at 12 o’clock

21/18mm Black Alligator Embossed Calf Leather Strap for IWC 3717/3777 Pilot Chronograph Models Feynman Case Height 15Width: 21mm Lug ,18mm Buckle(Only Compatible With 18mm Pin Buckle) Length: 75mm 115mm Thickness: 4. 5mm At Lug Area Taper to 2. 5mm At Strap end. Compatible with all IWC 3717 3777 Pilot Chronograph And all other 21mm Lugs Watch Models . Feel free to contact me for any enquiries on all my products . Thank you