TAG Heuer · Formula 1

Strap for Formula 1 Solargraph 38 Stainless Steel / White / Rubber

Takes 19 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width19 mm
Case diameter38 mm
ReferenceWBY111A.FT8106
FamilyFormula 1
MovementTAG Heuer caliber TH50-00 hours, minutes, seconds | date | chronometer
Year2025
CasePolyamide, 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 Formula 1 WBY111A.FT8106

Selected for the 19 mm lug width

All 19 mm straps →

The Formula 1 WBY111A.FT8106, seen from the bench

The TAG Heuer Formula 1 WBY111A.FT8106 is a 38mm sports watch with stainless steel and polymer case, white dial, and quartz movement (TAG Heuer TH50-00 caliber). It features hours, minutes, seconds, and date window with chronometer certification. The 19mm lug width is standard for Formula 1 sports models of this generation, requiring precisely constructed straps for optimal fit and visual harmony with the case.

Frequently asked questions

What is the lug width of the TAG Heuer Formula 1 WBY111A.FT8106?

The lug width of the TAG Heuer Formula 1 WBY111A.FT8106 is 19mm. This measurement represents the distance between the two case lugs and is essential for selecting a compatible strap. To verify it, measure the internal distance between the lug centres using a digital calliper: the value must fall between 19.0mm and 19.5mm to ensure proper fit without excessive play.

Which strap is most suitable for the TAG Heuer Formula 1 WBY111A.FT8106?

The choice depends on intended use and aesthetic preference. For elegance and visual contrast, black or brown alligator leather delivers sophistication whilst honouring the racing heritage. Vegetable-tanned calf in cognac or grey-beige offers versatility and develops a natural patina over time. For intensive sport use, vulcanised rubber straps guarantee durability and comfort. NATO straps in cotton or Cordura remain the most versatile choice for quick changes and water activities.

How do you change the strap on the TAG Heuer Formula 1 WBY111A.FT8106?

Strap replacement requires a spring bar tool to compress the elastic rings connecting the strap to the case. Position the watch on a flat surface, insert the tool into the gap between case and strap, compress the ring and slide the strap outward. Repeat on the opposite side. Install the new strap by reversing the procedure: align the rings with the lugs, compress the springs and slide the strap until it clicks into place.

Are there aftermarket straps compatible with the WBY111A.FT8106?

Yes, all straps with a 19mm lug width are compatible with the TAG Heuer Formula 1 WBY111A.FT8106. The aftermarket offers solutions in leather (alligator, calf, shell cordovan), fabric (NATO, canvas) and rubber. To ensure superior construction quality and perfect fit, bespoke artisanal straps from specialists are recommended: these allow customisation of length, stitching and finishing, ensuring visual harmony and durability superior to mass-produced alternatives.

How long does a leather strap last on the TAG Heuer Formula 1 WBY111A.FT8106?

Longevity depends on material, tanning method and usage patterns. An alligator or shell cordovan strap with regular maintenance guarantees 4-6 years of daily wear. Vegetable-tanned calf offers 3-5 years of durability, benefiting from natural aging that improves aesthetic appeal. Exposure to heavy perspiration, humidity and UV rays shortens lifespan: preventive treatments with natural waxes and storage in dry environments significantly extend strap life.

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