IWC · GST Aquatimer
Strap for Aquatimer Automatic Stainless Steel / Black / Bracelet
Takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
22mm
Lug width22 mm
Case diameter42 mm
ReferenceIW3288-03 (aka: IW328803)
FamilyGST Aquatimer
MovementIWC caliber 32111
Hours, Minutes, Seconds | Date
CaseStainless Steel
Straps for the GST Aquatimer IW3288-03 (aka: IW328803)
Selected for the 22 mm lug width · workshop selection
Novonappa Black Military Style Strap for IWC Pilot€155
Novonappa Brown Military Style IWC Pilot Strap€155
Millenium Cognac Alligator Strap€270
Matte Blue Alligator Strap€270
Matte Black Alligator Strap€270
The GST Aquatimer IW3288-03 (aka: IW328803), seen from the bench
The IWC GST Aquatimer IW3288-03 is a stainless steel diving watch launched in the 1990s, featuring a 42mm case and powered by the IWC caliber 32111 movement with hours, minutes, seconds and date display. The watch has a 22mm lug width, designed for compatibility with standard diving straps while maintaining structural rigidity and proportional elegance typical of tool watches from that era. The rotating internal bezel and integrated bracelet attachment system reflect IWC's Swiss engineering philosophy for underwater applications.
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.
Request an appointment →Casati Milano · Via XX Settembre 15, Milan · by appointment only