TAG Heuer · Formula 1

Strap for Formula 1 Quartz Chronograph Stainless Steel / Red / 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 diameter41 mm
ReferenceCAH1112.BT0714
FamilyFormula 1
MovementETA caliber G10.712 CB hours, minutes, small seconds | date | Chronograph, Rattrapante
Year2007
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 CAH1112.BT0714

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Formula 1 CAH1112.BT0714, seen from the bench

The TAG Heuer Formula 1 CAH1112.BT0714 is a 41mm stainless steel chronograph that evolved from the 1986 racing heritage collection. It features an ETA caliber G10.712 CB manual-wind movement with chronograph, split seconds, small seconds, and date window. The unidirectional rotating bezel, black dial with articulated chronograph counters, and luminescent indices define its functional sports design. The 20mm lug width accommodates a wide range of compatible straps and represents the standard reference for this model.

Frequently asked questions

What is the lug width of the TAG Heuer Formula 1 CAH1112.BT0714?

The lug width of the TAG Heuer Formula 1 CAH1112.BT0714 is 20mm. This measurement represents the distance between the case lugs and is the essential parameter for identifying compatible straps. To measure the lug width correctly, use a digital calliper positioned perpendicularly between the two lugs: the result will be exactly 20mm for this reference.

Which strap is most suitable for the TAG Heuer Formula 1 CAH1112.BT0714?

For the CAH1112.BT0714, we primarily recommend straps in alligator, hand-dyed vegetable-tanned calf, or shell cordovan. Alligator enhances the chronograph's elegance, calf leather offers natural patina over time, while cordovan ensures durability and chromatic depth. The choice depends on usage: formal for alligator, versatile for calf and cordovan, sporty for vulcanised rubber.

How do you change the strap on the TAG Heuer Formula 1 CAH1112.BT0714?

Strap replacement is accomplished through the case lugs. Use a spring bar tool to compress the internal spring of the elastic pin, freeing the old strap. Position the new 20mm strap aligned with the lugs and push the elastic pin until it locks in both holes. Verify that the lock is secure before wearing the watch. If unsure, consult a specialised jeweller.

Can I use an aftermarket compatible strap with the TAG Heuer Formula 1 CAH1112.BT0714?

Yes, quality aftermarket straps ensure maximum compatibility with the CAH1112.BT0714. The 20mm artisanal straps from Milano Straps are specifically crafted for this lug width and exceed high quality standards. Simply ensure that the strap is certified for 20mm lug width and features standard spring bars.

How long does a leather strap last on the TAG Heuer Formula 1 CAH1112.BT0714?

The durability of a leather strap depends on the material and usage. Calf leather with vegetable tanning lasts approximately 3-5 years with daily wear, developing natural patina. Alligator and shell cordovan offer superior longevity (5-7 years), thanks to more robust fibre structure. Standard warranty is 18 months. Periodic maintenance and alternating with other straps significantly extends durability.

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