Strap for Aquatimer Automatic 2000 Titanium / Black / Rubber

The lug width of the IWC GST Aquatimer IW3580-02 is 22mm, measured from the centre of one spring bar to the centre of the other. This specification is fixed to the model and allows compatibility with any aftermarket strap designed for 22mm lugs.

The choice depends on intended use: for understated elegance, vegetable-tanned Tuscan leather in black or aged brown; for marine operations, alligator or vulcanised FKM rubber in black. Shell cordovan is ideal for collectors who wear the piece as a refined horological object rather than a diving instrument.

Remove the two spring bars securing the strap to the lugs using a dedicated spring bar tool to avoid scratching the titanium. Insert the bars into the new strap, aligning the holes, then press until you feel the spring engage. Verify that both sides are locked before wearing the watch.

Yes, any strap with 22mm lugs is compatible. However, we recommend verifying thickness: the GST Aquatimer suits robust straps, typically between 4.5 and 5.5mm, to maintain visual proportion with the substantial titanium case.

A well-maintained vegetable-tanned leather strap lasts 4–6 years with daily wear; alligator extends to 8–10 years. Longevity depends on UV exposure, humidity and frequency of use. Avoid prolonged water immersion with natural leather straps; use rubber or fabric for intensive aquatic activity.