IWC · GST Aquatimer
Strap for Aquatimer 2000 Stainless Steel / Black / Rubber
Takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
Straps for the GST Aquatimer IW3568-10 (aka: 3568-10, IW356810)
Selected for the 22 mm lug width · workshop selection
Millenium Cognac Alligator Strap€195
Matte Blue Alligator Strap€195
Matte Grey Alligator Strap€195
Novonappa Black Military Style Strap for IWC Pilot€142
Hammered calfskin strap in cuoio€98
The GST Aquatimer IW3568-10 (aka: 3568-10, IW356810), seen from the bench
Frequently asked questions
What is the lug width of the IWC GST Aquatimer IW3568-10?
The lug width (misura ansa) of the IWC GST Aquatimer IW3568-10 is 22 millimetres. This measurement is critical when selecting an aftermarket strap: measure from lug to lug using a caliper placed inside the lug itself. A strap with a width differing from 22mm will not fit properly onto the case.
What is the best strap for the IWC GST Aquatimer IW3568-10?
The optimal strap choice depends on intended use. For a sporty, technical aesthetic, a vegetable-tanned calf leather in cognac-brown tones emphasizes the tool-watch character. For versatility, an alligator strap in dark blue or black with pronounced grain creates striking contrast. For absolute durability, shell cordovan is the supreme choice. All compatible straps must feature a 22mm lug width to ensure perfect fitment to the case.
How do I change the strap on an IWC GST Aquatimer IW3568-10?
Changing the strap requires a spring bar tool, a small forked instrument. Insert the flat end into the spring mechanism within the lug, applying gentle pressure to compress the internal spring and release the bar end from the lug. Once both bars are extracted, the original strap separates from the case. Installation of a new strap follows the reverse procedure. Always work on a soft surface to prevent case scratching.
Is an aftermarket strap compatible with the IWC GST Aquatimer IW3568-10?
Yes, any strap featuring a 22mm lug width is fully compatible with the IWC3568-10. Aftermarket straps in alligator, calf leather, shell cordovan, black leather, or NATO format attach seamlessly to the integrated lugs, provided they respect the 22-millimetre specification. Strap construction quality should be proportionate to the excellence of the watch itself.
How long does a leather strap last on an IWC GST Aquatimer IW3568-10?
Leather strap longevity depends on material and tannage. Vegetable-tanned calf, when properly maintained (dried after moisture exposure, protected from direct UV), typically lasts 3–5 years of daily wear. Shell cordovan, owing to its natural density and impermeability, can endure 10–15 years or longer, developing characteristic patina. Artisanal alligator of superior quality offers 4–7 years of intensive use. Regular maintenance—gentle cleaning and conditioning with appropriate creams—significantly extends strap lifespan.
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
