TAG Heuer · Aquaracer

Strap for Aquaracer Professional 300 36 Stainless Steel / UK / 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 diameter36 mm
ReferenceWBP231N.BA0618
FamilyAquaracer
MovementTAG Heuer caliber 5 hours, minutes, seconds | date
Year2025
CaseCeramic, 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 Aquaracer WBP231N.BA0618

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Aquaracer WBP231N.BA0618, seen from the bench

The Aquaracer represents the sporty diving collection of TAG Heuer, characterized by high water resistance and functional design. The WBP231N.BA0618 model is equipped with the automatic Calibre 5 movement with hours, minutes, seconds and date indication. The construction follows the Swiss brand's standards for watches intended for water activities and sports.

Frequently asked questions

What is the lug width of the TAG Heuer Aquaracer WBP231N.BA0618?

The lug width of the TAG Heuer Aquaracer WBP231N.BA0618 is 20mm. This measurement represents the distance between the two lugs on the case and is the critical specification for selecting a compatible strap. To verify it accurately, measure the external distance between the two lugs where the strap inserts, positioning your ruler perpendicular to the case back.

Which strap is best suited for the TAG Heuer Aquaracer WBP231N.BA0618?

The WBP231N.BA0618, due to its sports-oriented heritage and well-profiled lugs, pairs excellently with alligator leather in dark shades (midnight blue, black, anthracite), cognac or brown calf with pronounced grain, durable NATO textile straps, and FKM rubber for intensive water sports. The optimal choice depends on intended use: alligator for daily sports elegance, NATO or rubber for diving and water activities.

How do you change the strap on this TAG Heuer?

The TAG Heuer Aquaracer WBP231N.BA0618 employs standard 20mm spring bars. Proceed as follows: use a spring bar removal tool or small screwdriver to gently lift the spring bar, sliding it inward towards the case; remove the old strap; insert the new spring bar into the new strap; secure the spring bar into the case lugs, ensuring it is fully engaged on both sides.

Are there aftermarket straps compatible with the WBP231N.BA0618?

Yes, the TAG Heuer Aquaracer WBP231N.BA0618 is compatible with any high-quality 20mm artisanal strap. Aftermarket straps offer considerable freedom in design and materials often superior to original TAG Heuer bracelets: exotic leathers, custom stitching, artisanal finishes. It is advisable to select specialists who guarantee construction quality and mechanical compatibility with your timepiece.

How long does a leather strap last on a watch like this?

A quality leather strap (alligator, calf, or cordovan) mounted on a TAG Heuer Aquaracer typically lasts 3-5 years under normal wear conditions. Longevity depends on: frequency of wear, exposure to water and humidity (the WBP231N.BA0618 resists 30 atm, but leather does not), regular maintenance (cleaning, conditioning). For intensive water use, opt for NATO or FKM rubber. A well-constructed artisanal strap with double stitching and precise finishing tends toward the upper end of this range.

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