IWC · GST Aquatimer
Strap for GST Aquatimer Titanium
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 diameter42 mm
ReferenceIW3536-01
FamilyGST Aquatimer
MovementIWC caliber 37524 hours, minutes, seconds, world time | date
Year1998 - 2004
CaseTitanium
Straps for the GST Aquatimer IW3536-01
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 IW3536-01, seen from the bench
The IWC GST Aquatimer IW3536-01 is a professional diving chronograph born from collaboration with Schaffhausen in the 1990s. It features a 42 mm titanium case with caliber 37524 automatic movement, offering hours, minutes, seconds, world time and date functions. The 20 mm lug width accommodates its asymmetrical design with crown positioned at 10 o'clock, water-resistant to 300 meters, combining lightweight corrosion-resistant titanium construction with integrated strap lugs that eliminate traditional spring bars.
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