IWC · GST Aquatimer
Strap for GST Perpetual Calendar Stainless Steel / White / French
Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
20mm
Lug width20 mm
Case diameter43 mm
ReferenceIW3756-20 (aka: IW375620)
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 IW3756-20 (aka: IW375620)
Selected for the 20 mm lug width · workshop selection
Green Rubberized Alligator Strap with Ecru Tribal Stitching€149
Millennium Green Alligator Strap€195
Black Rubberized Alligator Strap with Red Tribal Stitching€185
Vintage Olive Green Calf Leather Watch Strap€80
Italian Calfskin Rally Strap in Cognac€110
The GST Aquatimer IW3756-20 (aka: IW375620), seen from the bench
The GST Aquatimer was developed by IWC as a diver's watch with advanced complications. It is powered by the calibre 79261 with perpetual calendar, chronograph and day, date, month and year indicators. The IW375620 reference features small seconds and main hour and minute 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