IWC · GST Aquatimer
Strap for Aquatimer Chrono-Automatic Gold
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 diameter44 mm
ReferenceIW3769-03 (aka: 3769-03, IW376903)
FamilyGST Aquatimer
MovementIWC caliber 89361 hours, minutes, small seconds | date | Chronograph, Flyback
Year2009 - 2014
CaseRed Gold
Straps for the GST Aquatimer IW3769-03 (aka: 3769-03, IW376903)
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 IW3769-03 (aka: 3769-03, IW376903), seen from the bench
The IWC GST Aquatimer IW3769-03 is a professional diving watch in 18-carat red gold with 44mm case diameter and 20mm lug width. Powered by the IWC 89361 manual-winding calibre, it features hours, minutes, small seconds, date, and flyback chronograph function. Water-resistant to 300 metres, it combines tool watch robustness with haute horlogerie refinement through its red gold case, dark dial, luminescent hands, and bidirectional rotating bezel at 4 o'clock position.
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