IWC · GST Aquatimer
Strap for Aquatimer Chronograph Stainless Steel / Brown / Rubber / Boesch
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 diameter44 mm
ReferenceIW3782-04 (aka: IW378204)
FamilyGST Aquatimer
MovementIWC caliber 79320
Hours, Minutes, Small Seconds | Date, Day | Chronograph
CaseStainless Steel
Straps for the GST Aquatimer IW3782-04 (aka: IW378204)
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 IW3782-04 (aka: IW378204), seen from the bench
The GST Aquatimer IW378204 is a diving chronograph equipped with the automatic IWC caliber 79320. The watch features hours, minutes, small seconds, date, day of the week and chronograph functions. The case houses a movement with day indication in addition to the traditional chronograph complications.
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