TAG Heuer · Formula 1

Strap for Formula 1 Chronograph Quartz 43 Stainless Steel / Max Verstappen 2017 / Rubber

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

Lug width20 mm
Case diameter43 mm
ReferenceCAZ101G.FT8030
FamilyFormula 1
MovementRonda caliber 5040.D hours, minutes, small seconds | date | Chronograph
Year2017
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 Formula 1 CAZ101G.FT8030

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Formula 1 CAZ101G.FT8030, seen from the bench

The Formula 1 represents TAG Heuer's entry-level sports collection, oriented towards motorsport. The reference CAZ101G.FT8030 features the Ronda 5040.D quartz caliber with hour, minute, small second, date, and chronograph functions. The watch integrates the characteristic chronograph features typical of the brand's Formula 1 range.

Frequently asked questions

What is the lug width of the TAG Heuer Formula 1 CAZ101G.FT8030?

The lug width of the TAG Heuer Formula 1 CAZ101G.FT8030 is 20mm. This measurement, taken between the inner shoulders of the lugs, is a precise standard developed by TAG Heuer to maintain correct visual proportions on a 43mm diameter case. It is essential to verify that any strap you purchase is compatible with this exact specification.

Which strap material is best suited for the TAG Heuer Formula 1 CAZ101G.FT8030?

For a timepiece with this sportive-elegant identity, an alligator strap with vegetable tanning (which develops natural patina) or shell cordovan in cognac colour (for durability and rapid patina development) are recommended choices. If you prefer to maintain a purely racing register, a screened calf leather in brown or an FKM rubber strap with engine-turned texture are technically appropriate selections. The satin-brushed stainless steel case dialogues well with all these options.

How do you change the strap on a TAG Heuer Formula 1 CAZ101G.FT8030?

Strap replacement is performed using a dedicated tool (spring bar tool) to extract the elastic pins (spring bars) that connect the strap to the case lugs. It is advisable to rest the watch on a soft surface and work with care to avoid scratching the case. If you are not experienced, it is preferable to consult a specialised atelier such as Casati Milano, which performs the change safely and professionally.

Is an aftermarket strap compatible with the TAG Heuer Formula 1 CAZ101G.FT8030?

Yes, any strap with a 20mm lug width is compatible with the CAZ101G.FT8030, regardless of brand. Artisanal straps from Milano Straps are specifically crafted for this measurement and offer superior construction quality compared to standard straps. It is important to verify that the strap thickness is coherent with the case proportions.

How long does a leather strap last on a TAG Heuer Formula 1?

The lifespan of a leather strap depends on the tanning method, material, and usage patterns. A high-quality artisanal alligator strap with vegetable tanning typically lasts 3–5 years with regular maintenance; shell cordovan, being more resistant, can last 5–7 years. FKM rubber has a similar lifespan but requires less maintenance. Proper care—avoiding prolonged water exposure, cleaning with soft cloth, and applying specific balms—significantly extends strap longevity.

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.

Request an appointment →

Casati Milano · Via XX Settembre 15, Milan · by appointment only