IWC · GST Aquatimer
Strap for GST Chronograph MecaQuartz Stainless Steel / Silver
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 diameter34 mm
ReferenceIW3727-03
FamilyGST Aquatimer
MovementJaeger-LeCoultre caliber 631 hours, minutes, small seconds | date | Chronograph
Year1999 - 2002
CaseStainless Steel
Straps for the GST Aquatimer IW3727-03
Selected for the 21 mm lug width · workshop selection
Matte Black Alligator Strap — Minimal Stitching€149
Millenium Cognac Alligator Strap€195
Matte Blue Alligator Strap€195
Grey Hammered Leather Strap with Ecru Stitching€98
Hammered Calfskin Strap Light Blue€98
The GST Aquatimer IW3727-03, seen from the bench
The GST Aquatimer represents IWC's dive line from the 1990s, equipped with the Jaeger-LeCoultre caliber 631 movement. It offers hours, minutes, small seconds, date and chronograph functions for sports and dive use. The IW3727-03 reference maintains the technical characteristics typical of the GST collection dedicated to water sports.
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