IWC · GST Aquatimer
Strap for GST Perpetual Calendar Stainless Steel / Black / Italian
Takes 21 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
21mm
Lug width21 mm
Case diameter43 mm
ReferenceIW3756-14 (aka: IW375614)
FamilyGST Aquatimer
MovementIWC caliber 79261
Hours, Minutes, Small Seconds | Date, Day, Month, Perpetual Calendar, Year Indicator | Chronograph
CaseStainless Steel
Straps for the GST Aquatimer IW3756-14 (aka: IW375614)
Selected for the 21 mm lug width · workshop selection
Novonappa Black Strap — IWC Pilot Style€149
Red Alligator Strap Water Resistant€270
Millenium Cognac Alligator Strap€270
Matte Blue Alligator Strap€270
Millennium Green Alligator Strap€270
The GST Aquatimer IW3756-14 (aka: IW375614), seen from the bench
The GST Aquatimer was developed by IWC as a diving watch with advanced complications. It is equipped with the Caliber 79261 movement, featuring a perpetual calendar, year indicator, and integrated chronograph. The IW375614 reference features small seconds, full date, and day-month-year 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