IWC · GST Aquatimer

Strap for Aquatimer Automatic Collectors Forum

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
ReferenceIW3410-01 (aka: IW341001)
FamilyGST Aquatimer
MovementIWC caliber 82110 hours, minutes, seconds | date
Year2017
CaseBronze, Stainless 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 IW3410-01 (aka: IW341001)

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The GST Aquatimer IW3410-01 (aka: IW341001), seen from the bench

The GST Aquatimer was developed by IWC as a diving watch from the GST collection. It is powered by the automatic Calibre 82110 with hour, minute, second and date indications. The lugs measure 22mm in width.

Frequently asked questions

What is the lug width of the IWC GST Aquatimer IW3410-01?

The lug width of the GST Aquatimer IW3410-01 is 22 millimetres. This width is standard for sports and diving watches with cases around 44mm in diameter. You can verify this by inserting a digital calliper between the two lug pins. Milano Straps manufactures straps with precision tolerances to ensure optimal compatibility.

Which strap is best suited to the GST Aquatimer IW3410-01?

Alligator represents the ideal choice for aesthetic and functional coherence. The natural grain of the reptile skin pairs perfectly with the robustness of the case, whilst the patina that develops in parallel with the bronze creates a harmonious visual effect. Valid alternatives include vegetable-tanned calf leather for sustainability, or Cordura/FKM rubber for more sporting and marine applications.

How do I change the strap on my GST Aquatimer IW3410-01?

To change the strap, you need to remove the pins that secure the lugs. Obtain a specific lug pin removal tool or consult a trusted watchmaker. Verify that your new strap is manufactured for a 22mm lug width. Milano Straps also provides consultation services via WhatsApp to guide you through the process.

Is an aftermarket strap compatible with the GST Aquatimer IW3410-01?

Yes, any strap with a 22mm lug width is compatible with the GST Aquatimer IW3410-01. Milano Straps offers bespoke artisanal straps that can be personalised with custom lengths, initials and stitch colour. The Casati Milano atelier also creates made-to-measure straps with personal leather selection and an 18-month warranty.

How long does a leather strap last on a diving watch?

A quality leather strap (alligator, vegetable-tanned calf) maintains structural integrity for 3-5 years of regular use, provided it is not subjected to continuous exposure to saltwater or chlorine. For intensive marine use, alternating with an FKM rubber strap is recommended. The 18-month warranty offered by Casati Milano covers the first critical period of material settling.

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