IWC · GST Aquatimer

Strap for Aquatimer 2000 Titanium / Black / Rubber

Takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width

22mm

22 mm straps All IWC

Lug width22 mm

Case diameter42 mm

ReferenceIW3538-04 (aka: 3538-04, IW353804)

FamilyGST Aquatimer

MovementIWC caliber 30110 hours, minutes, seconds | date

Year2004 - 2009

CaseTitanium

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

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Straps for the GST Aquatimer IW3538-04 (aka: 3538-04, IW353804)

Selected for the 22 mm lug width · workshop selection

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The GST Aquatimer IW3538-04 (aka: 3538-04, IW353804), seen from the bench

The IWC GST Aquatimer IW3538-04 is a 42mm titanium dive tool watch from the 1990s, featuring an internal rotating bezel controlled by a second crown at 10 o'clock for precise dive timing. The monolithic titanium case and integrated brushed titanium bracelet provide exceptional corrosion resistance and seamless construction. Powered by the IWC 30110 automatic calibre, it delivers hours, minutes, seconds, and date display at 3 o'clock, with a 22mm lug width.

The next step

The right strap isn't chosen. It is built, together.

From the atelier appointment to delivery, every step is made for those who know that things done well take time. Rare leathers, one piece at a time, eighteen months of warranty.

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Casati Milano · Via XX Settembre 15, Milan · by appointment only