Strap for Aquaracer Professional 300 36 Stainless Steel / Turquoise - Diamond / Rubber

The lug width of the TAG Heuer Aquaracer WBP231K.FT6234 is 20 millimetres. This measurement is standard for classic diving watches and allows the use of a wide range of artisanal leather, rubber, and fabric straps. To verify compatibility, position a digital calliper between the rear lugs of the case, perpendicular to the stitching: the value must be exactly 20mm.

The best strap depends on your intended use. For elegant daily wear, we recommend alligator with vegetable tanning in chocolate brown or moss green tones, which enhance the blue dial and age with characteristic patina. For sport and diving purposes, vulcanised rubber with rippled texture is resistant to salt water and requires no maintenance. For a dress-casual compromise, anilines calf leather with light grain offers softness and breathability. Milano Straps crafts all these models to measure for your wrist.

The strap is changed by removing the lateral pins that connect the case to the lugs. Position the watch on a soft surface (mouse pad or microfibre cloth), use a spring bar tool (implement with a fork attachment) to gently lift the pin from below, disengaging it from the lug. Repeat for the opposite side, then insert the new strap following the reverse procedure. If you are uncertain, the Casati Milano atelier will perform the change free of charge for straps purchased online.

Yes, the WBP231K.FT6234 is fully compatible with aftermarket straps with 20mm lug width. Milano Straps offers a complete collection of artisanal straps in alligator, calf, rubber, and technical fabric, customisable in sizes, colours, initials, and stitching thread. All straps are available ready for shipment or bespoke-made at the Casati Milano atelier with 18-month warranty.

The lifespan of a leather strap depends on the tanning method and usage. A daily-wear anilines calf strap typically lasts 3–5 years, with the possibility of extension through leather resizing. Vegetable-tanned alligator, being thicker and more resilient, can last 5–7 years or longer. Vulcanised rubber is practically limitless under normal conditions. Milano Straps offers repair and spring bar replacement services to extend the life of your strap: contact the atelier to explore regeneration options.