IWC · GST Aquatimer
Strap for Aquatimer Split Minute Chronograph Rubber
Takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
22mm
Lug width22 mm
Case diameter44 mm
ReferenceIW3723-04 (aka: 3723-04, IW372304)
FamilyGST Aquatimer
MovementIWC caliber 79470
Hours, Minutes | Date | Chronograph
CaseTitanium
Straps for the GST Aquatimer IW3723-04 (aka: 3723-04, IW372304)
Selected for the 22 mm lug width · workshop selection
Novonappa Black Military Style Strap for IWC Pilot€155
Novonappa Brown Military Style IWC Pilot Strap€155
Millenium Cognac Alligator Strap€270
Matte Blue Alligator Strap€270
Matte Black Alligator Strap€270
The GST Aquatimer IW3723-04 (aka: 3723-04, IW372304), seen from the bench
The IWC GST Aquatimer IW3723-04 (ref. 3723-04) is a professional diving chronograph launched in 1997 by IWC Schaffhausen. The 44mm titanium grade 5 case features a bidirectional rotary bezel and withstands depths to 200 meters. Powered by the IWC caliber 79470 automatic movement with central chronograph and date indicator, this model represents the first-generation GST line. The watch requires a 22mm strap and embodies IWC's integrated lug system design.
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