TAG Heuer · Formula 1

Strap for Formula 1 Kith Hawaii

Takes 18 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width18 mm
Case diameter35 mm
ReferenceWA126E.BT0009
FamilyFormula 1
MovementQuartz
Year2024
CaseStainless Steel, Arnite

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

Straps for the Formula 1 WA126E.BT0009

Selected for the 18 mm lug width

All 18 mm straps →

Frequently asked questions

What is the lug width of the TAG Heuer Formula 1 WA126E.BT0009?

The TAG Heuer Formula 1 WA126E.BT0009 features 18-millimetre lug width. This measurement is specific to this 35mm reference and is critical for strap compatibility: any replacement must strictly respect this dimension to ensure perfect fit between the case lugs and the strap lugs.

What is the best strap for the TAG Heuer Formula 1 WA126E.BT0009?

Strap selection depends on use case and personal aesthetic preference. For authentic sportive appearance, a rubber strap with modern texture enhances the case's contemporary design. For daily elegance, vegetable-tanned calf leather guarantees natural patina development over time. For those seeking discrete luxury, alligator offers native texture and superior durability. A NATO strap in technical fabric provides versatile functionality and easy interchangeability.

How do I correctly change the strap on a TAG Heuer Formula 1 WA126E.BT0009?

Strap replacement requires precision. Use a spring bar tool to gently remove the spring bars from the case lugs. Extract the bar from the first lug, then the second, using fluid motion without forcing. Insert the new strap by passing the bar through the first lug, then the second, verifying the bar is fully seated in its bore. For professional results, entrust the operation to a specialist artisan equipped with precision tools and case-specific knowledge.

Is an aftermarket strap compatible with the TAG Heuer Formula 1 WA126E.BT0009?

Yes, any strap with 18mm lug width is compatible with the WA126E.BT0009. Milanostraps offers certified artisanal straps online for this reference, customisable in leather type, colour, initials and thread colour. Compatibility is guaranteed by lug width matching: if the strap is manufactured for 18mm, the fit will be perfect regardless of strap brand.

What is the lifespan of a leather strap on a TAG Heuer Formula 1 WA126E.BT0009?

A quality artisanal leather strap with vegetable tanning has average lifespan between 3 and 6 years under daily use with proper maintenance (periodic cleaning, protection from excessive moisture and prolonged direct sunlight). Actual durability depends on intensity of use, personal care and climatic conditions. Milanostraps offers 18-month warranty on all manufactured straps, with subsequent maintenance and revision available through Casati Milano atelier.

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