Technical Archive

TAG Heuer
Formula 1 CAZ1017.BA0842— lug 22mm

TAG Heuer Formula 1 CAZ1017.BA0842: 22mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Formula 1 Chronograph Quartz Stainless Steel / James Hunt

Artisanal Note

"This model requires a precise 22mm lug width to preserve the original sartorial balance."

Technical Specifications

TAG Heuer CAZ1017.BA0842
Lug Width
22 mm

The essential strap measurement.

Browse 22mm straps →
Reference

CAZ1017.BA0842

Movement

Ronda caliber 5040.D Hours, Minutes, Small Seconds | Date | Chronograph

The Heritage

The TAG Heuer Formula 1 CAZ1017.BA0842, launched in 1986 as a Formula 1 championship chronograph, features a 43mm stainless steel and aluminum case with unidirectional rotating bezel and anti-reflective sapphire crystal. Powered by Ronda 5040.D quartz movement with three-counter chronograph, date function, and 22mm lug width, this sports instrument combines aluminum bezel for lightweight durability with stainless steel caseback and lugs for structural rigidity.

FAQ

What is the lug width of the TAG Heuer Formula 1 CAZ1017.BA0842?

The lug width of the TAG Heuer Formula 1 CAZ1017.BA0842 is exactly 22mm. This measurement is specific to this model and allows the use of standard 22mm straps, though the athletic proportions of the case (43mm diameter) require straps with thickness and robustness consistent with the visual mass of the watch.

Which strap is most suitable for the TAG Heuer Formula 1 CAZ1017.BA0842?

For the CAZ1017.BA0842, brushed calf or alligator straps with brushed satin steel hardware are recommended, to echo the texture of the bezel. Alternatively, high-density rubber or NATO straps emphasize the sporty character. Avoid delicate or glossy leathers, which would visually contrast with the robustness of the aluminium case.

How do I change the strap on the TAG Heuer Formula 1 CAZ1017.BA0842?

Changing the strap requires a spring bar tool to extract the two lugs connecting the strap to the case. Simply apply gentle pressure with the tool, extract the spring bar, and replace the strap. For steel and aluminium models, the operation is straightforward and does not require atelier service, though it is advisable to avoid excessive force.

Are there compatible aftermarket straps for the TAG Heuer Formula 1 CAZ1017.BA0842?

Yes, all straps with 22mm lug width are compatible with the CAZ1017.BA0842. Online solutions in leather, fabric, rubber, and metal are available from specialist brands. For certified quality and durability, Milano Straps offers artisanal straps customizable in fine leather (calf, alligator, shell cordovan) with brushed steel terminals, available in standard and custom sizes through the Casati Milano atelier.

What is the average lifespan of a leather strap for a TAG Heuer Formula 1?

A quality leather strap (vegetable-tanned calf or alligator) has an average lifespan of 3-5 years with daily use, considering sun exposure, moisture, and natural fibre wear. Milano Straps guarantees 18 months on all straps produced by the Casati Milano atelier. Rubber or NATO straps have longer durability (5-7 years) and require minimal maintenance.