IWC · GST Aquatimer
Strap for GST Perpetual Calendar Stainless Steel / Black / English
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 diameter43 mm
ReferenceIW3756-15 (aka: IW375615)
FamilyGST Aquatimer
MovementIWC caliber 79261 hours, minutes, small seconds | date, day, month, perpetual calendar, year indicator | Chronograph
Year2001 - 2004
CaseStainless Steel
Straps for the GST Aquatimer IW3756-15 (aka: IW375615)
Selected for the 22 mm lug width · workshop selection
Millenium Cognac Alligator Strap€195
Matte Blue Alligator Strap€195
Matte Grey Alligator Strap€195
Novonappa Black Military Style Strap for IWC Pilot€142
Hammered calfskin strap in cuoio€98
The GST Aquatimer IW3756-15 (aka: IW375615), seen from the bench
The GST Aquatimer was developed by IWC as a diving watch with advanced complications. It mounts the 79261 caliber with perpetual calendar, chronograph and indications of day, date, month and year. The IW375615 reference integrates a small seconds and a complete permanent moon phase display.
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