TAG Heuer · Aquaracer

Strap for Aquaracer 300M Calibre 5 41 Stainless Steel / Blue / Bracelet

Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width20 mm
Case diameter41 mm
ReferenceWAN2111.BA0822 (aka: WAN2111BA0822, WAN2111)
FamilyAquaracer
MovementTAG Heuer caliber 5 hours, minutes, seconds | date
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 Aquaracer WAN2111.BA0822 (aka: WAN2111BA0822, WAN2111)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Aquaracer WAN2111.BA0822 (aka: WAN2111BA0822, WAN2111), seen from the bench

The TAG Heuer Aquaracer WAN2111.BA0822 is a 41mm stainless steel diving watch featuring the TAG Heuer Calibre 5 automatic movement, based on ETA 2824 mechanics, offering hours, minutes, seconds, date window, 28,800 vibrations per hour and approximately 38 hours power reserve. The 316L stainless steel case provides corrosion resistance with 300 meters water resistance certification, protecting a black or blue dial with luminous indices under scratch-resistant sapphire crystal. The watch requires a 20mm lug width for strap compatibility, a critical specification for proper fitment on the integrated bracelet or rubber strap options.

Frequently asked questions

What is the exact lug width of the TAG Heuer Aquaracer WAN2111.BA0822?

The lug width is precisely 20mm, measured between the inner shoulders of both lugs. This dimension is critical for strap compatibility—there are no tolerances. A 19mm strap will slide, whilst a 21mm strap will not seat properly. Always verify with digital callipers before purchasing a replacement strap.

Which strap is best suited for the TAG Heuer Aquaracer WAN2111.BA0822?

Selection depends on intended use. For diving and water immersion: vulcanised rubber or nylon ripstop NATO offer durability and rapid drying. For formal wear combined with occasional diving: alligator in black or navy blue, quality A+. For natural chromatic evolution: vegetable-tanned calf leather with fine grain develops authentic patina over months. Each choice reflects a distinct functional hierarchy.

How do I change the strap on the WAN2111.BA0822?

The WAN2111.BA0822 typically features either spring bar lugs or a bayonet attachment system depending on variant. For spring bars: use a spring bar tool to compress the internal spring mechanism on each lug, then extract the bar. Position your new strap and reinsert the bars. For bayonet: simply slide the old strap outward and snap the new strap onto the lug shoulder.

Can I fit an aftermarket strap to this timepiece?

Yes, provided the lug width is exactly 20mm. Any strap with 20mm lugs is mechanically compatible. However, prioritise construction quality: artisanal hand-sewn straps crafted from premium hides elevate the watch's perceived value considerably. Avoid low-cost generic products that diminish the instrument's integrity.

What is the expected lifespan of a leather strap on the Aquaracer WAN2111.BA0822?

Longevity varies with material and maintenance. Grade A alligator under regular care—monthly cleaning, biannual conditioning—lasts 3-5 years. Vegetable-tanned calf typically endures 2-3 years before fatigue signs emerge under frequent perspiration and saltwater exposure. Vulcanised rubber requires no maintenance and functions reliably for 5-7 years. Avoid prolonged direct sunlight and saltwater immersion if using vegetable-tanned leather.

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