You are bidding on 1 x high quality replacement buckle for IWC Watches. These are 18mm buckles and will infact work with all watches and straps as long as you use an 18mm strap. 

I am using these on my own personal IWC 3881 and Big Pilot watches for many years. Great replacement buckles. 

Many of my customers have been using these across all models from ranging from 3777, 3881, Portuguese. Big Pilot, Ingenieur, Spitfire etc...

* High Grade Stainless Steel.

* Suitable for 18mm straps at the buckle end.

* Brushed Finish & Brand new

This listing is for 1 x piece.