IWC · GST Aquatimer
Strap for Aquatimer Perpetual Calendar Digital Date-Month Titanium / Blue
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 diameter49 mm
ReferenceIW3794-04 (aka: IW379404)
FamilyGST Aquatimer
MovementIWC caliber 89802 hours, minutes, small seconds | big date, leap year, month, perpetual calendar, date | Chronograph, Flyback
Year2017
CaseTitanium
Straps for the GST Aquatimer IW3794-04 (aka: IW379404)
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 IW3794-04 (aka: IW379404), seen from the bench
The GST Aquatimer was developed by IWC as a dive watch with advanced complications. It features the automatic calibre 89802 with flyback chronograph and perpetual calendar functions including leap year indication. The watch integrates small seconds, big date and month indications in a complex technical configuration.
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