IWC · GST Aquatimer
Strap for Aquatimer Perpetual Calendar Digital Date-Month Titanium / Red Gold / Black
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
ReferenceIW3794-01 (aka: 3794-01, IW379401)
FamilyGST Aquatimer
MovementIWC caliber 89801
Hours, Minutes, Small Seconds | Big Date, Leap Year, Month, Perpetual Calendar, Date | Chronograph, Flyback
CaseTitanium, Red Gold
Straps for the GST Aquatimer IW3794-01 (aka: 3794-01, IW379401)
Selected for the 20 mm lug width · workshop selection
Green Rubberized Alligator Strap with Ecru Tribal Stitching€185
Novonappa Black Strap — IWC Pilot Style€149
Black Alligator Strap with Light Blue Edges€210
Black Alligator Strap with White Edges€210
Millenium Cognac Alligator Strap€270
The GST Aquatimer IW3794-01 (aka: 3794-01, IW379401), seen from the bench
The GST Aquatimer reference IW3794-01 is equipped with the IWC caliber 89801, featuring flyback chronograph and perpetual calendar with big date functions. The watch displays hours, minutes, small seconds, date, month and leap year. The movement integrates the chronograph complications with the perpetual calendar in a single technical solution.
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
