Authentic IWC Aquatimer / GST Black Rubber Strap – Ref. A15881 – 16 × 18mm

A15881 – 16 × 18mm. Reference: A15881. This strap is correct for IWC models that use theA15881 rubber strap, including select IWC GST divers. 100%authentic IWC OEM part. Width: 16mm at the lug × 18mm at the buckle.

eBay