IWC · GST Aquatimer
Strap for GST Chronograph Automatic Stainless Steel / Silver / English
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 diameter40 mm
ReferenceIW3707-13 (aka: IW370713)
FamilyGST Aquatimer
MovementIWC caliber 7922 hours, minutes, small seconds | date, day | Chronograph
Year1999 - 2003
CaseStainless Steel
Straps for the GST Aquatimer IW3707-13 (aka: IW370713)
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 IW3707-13 (aka: IW370713), seen from the bench
The GST Aquatimer reference IW370713 is an IWC diving chronograph equipped with the 7922 caliber. The functions include hours, minutes, small seconds, date, day and chronograph. The model is part of the GST collection dedicated to the sporty watches of the Schaffhausen manufacturer.
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