21/18mm Black Alligator Embossed Calf Leather Strap for IWC 3717/3777 Pilot Chronograph Models Feynman - Genuine forged carbon fibre

- Genuine forged carbon fibre dials with applied indexes

The model display both the date and time (hour

Hand Material: Aviation Aluminum

Tapered rubber strap with tang buckle and quick-release pin also included

21/18mm Black Alligator Embossed Calf Leather Strap for IWC 3717/3777 Pilot Chronograph Models Feynman - Genuine forged carbon fibreWidth: 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