TAG Heuer · Formula 1
Strap for Formula 1 Chronograph Quartz Stainless Steel / Grey - Orange / Bracelet
Takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
Straps for the Formula 1 CAZ101AH.BA0842
Selected for the 22 mm lug width · workshop selection
Vintage Black Calfskin Leather Strap€80
Hammered Calfskin Strap Light Blue€98
Hammered Calfskin Watch Strap Green with Ecru Stitching€98
Vintage Olive Green Calf Leather Watch Strap€80
Hammered Black Calfskin Strap — Ecru Stitching€98
The Formula 1 CAZ101AH.BA0842, seen from the bench
Frequently asked questions
What is the lug width of the TAG Heuer Formula 1 CAZ101AH.BA0842?
The lug width is 22mm. This measurement defines the horizontal distance between the two attachment points where spring bars secure the strap. This is a critical specification: a strap must be purpose-built for 22mm to ensure correct fit, rotational stability, and aesthetic proportions appropriate to the 43mm case.
What strap is best suited for the TAG Heuer Formula 1 CAZ101AH.BA0842?
Alligator or shell cordovan are the reference choices for this chronograph. Alligator provides regular texture, subtle grain, and noble patina development over time; shell cordovan guarantees natural lustre, structural rigidity, and colour evolution through wear. Both respect the technical and sporty character of the ceramic and steel case.
How do you change the strap on a TAG Heuer Formula 1 CAZ101AH.BA0842?
The strap is secured with spring bars (small metal springs). Using a dedicated tool, you gently retract the springs from the case holes and extract the strap. To install a new one, insert the pins into the holes and release the springs so they click into position. The operation requires care and precision to avoid scratching the ceramic case.
Is an aftermarket strap compatible with the TAG Heuer Formula 1 CAZ101AH.BA0842?
Yes, provided it is constructed for a 22mm lug width. High-quality artisanal straps (alligator, shell cordovan, vegetable-tanned leather) are fully compatible and represent a superior alternative to original straps in terms of personalisation and longevity. Always verify the width before purchase.
How long does a natural leather strap last on a chronograph like the CAZ101AH.BA0842?
A strap made from fine leather (alligator, shell cordovan with vegetable tanning) typically lasts 3–5 years under daily wear, depending on frequency and care. Leather fears standing water and prolonged dry heat; with light maintenance (quick drying, annual conditioning), durability extends. Artisanal straps offer progressive reinforcement, replacing stitching or portions of leather without discarding the entire strap.
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
