IWC · GST Aquatimer

Strap for GST Chronograph Automatic Stainless Steel / Silver / German

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 diameter40 mm
ReferenceIW3707-11 (aka: IW370711)
FamilyGST Aquatimer
MovementIWC caliber 7922 Hours, Minutes, Small Seconds | Date, Day | Chronograph
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

Straps for the GST Aquatimer IW3707-11 (aka: IW370711)

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The GST Aquatimer IW3707-11 (aka: IW370711), seen from the bench

The IWC GST Aquatimer IW3707-11 is a 39.70mm stainless steel dive chronograph from the 1990s featuring an integrated monobloc case design. Powered by the IWC caliber 7922 automatic movement with integrated chronograph, the watch displays hours, minutes, small seconds, date, and day of the week. The 22mm lug width accommodates the watch's robust construction and marine environment specifications.

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.

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Casati Milano · Via XX Settembre 15, Milan · by appointment only