IWC · GST Aquatimer
Strap for GST Chronograph MecaQuartz Stainless Steel / Black
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 diameter34 mm
ReferenceIW3727-02
FamilyGST Aquatimer
MovementJaeger-LeCoultre caliber 631 hours, minutes, small seconds | date | Chronograph
Year1999 - 2002
CaseStainless Steel
Straps for the GST Aquatimer IW3727-02
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 IW3727-02, seen from the bench
The IWC GST Aquatimer IW3727-02 is a professional diving watch featuring a 34mm stainless steel case with a Jaeger-LeCoultre 631 manual chronograph movement. The watch includes a date window, small seconds, unidirectional bezel, and is water-resistant to 120 metres. Fitted with a 20mm lug width, this model combines robust construction with refined proportions typical of 1990s Swiss watchmaking standards.
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