21/18mm Black Calf Leather Strap for IWC 3717/3777 Pilot Chronograph Models

Regular price $35.00

Width:21mm Lug ,18mm Buckle(Only Compatible With 18mm IWC Style Single Folding Clasp) 

Length:55mm / 135mm 

Thickness: 5.5mm At Watch Lug Area taper to 3mm towards Strap End . 

Compatible with IWC 3717/3777 Pilot Chronograph or Any Other IWC , Flieger and all other watches with 21mm Lugs.

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