TAG Heuer · Formula 1
Strap for Formula 1 Quartz 35 Stainless Steel / Blue / Calf
Takes 20 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 WBJ1312.FC8231
Selected for the 20 mm lug width · workshop selection
Grey Hammered Leather Strap with Ecru Stitching€98
Hammered Calfskin Strap Light Blue€98
Hammered Calfskin Watch Strap Green with Ecru Stitching€98
Red Suede Strap with Stitching — Milano Straps€90
Dark Brown Calfskin Military Strap€80
The Formula 1 WBJ1312.FC8231, seen from the bench
Frequently asked questions
What is the lug width of the TAG Heuer Formula 1 WBJ1312.FC8231?
The lug width of the TAG Heuer Formula 1 WBJ1312.FC8231 is 20mm. This measurement is the result of carefully calibrated proportions that characterise the Formula 1 family in its midsize models. To verify the lug width accurately, position your calliper perpendicular to the two rectangular lugs (the pins connecting the strap to the case), excluding the case diameter itself. Precision is essential: a 19mm strap would be too tight, whilst a 21mm strap would create excessive play.
Which strap is recommended for the TAG Heuer Formula 1 WBJ1312.FC8231?
Your choice should reflect both usage patterns and aesthetic preferences. Alligator represents the aristocratic solution with regular texture and refined grain. Gummed calf offers resistance to daily wear and natural patina development. Shell cordovan guarantees longevity beyond a decade with characteristic lustre. Vegetable-tanned leather is the ethical and sustainable choice. NATO or rubber straps address practical sporting requirements. All these materials are available in the 20mm format compatible with your reference.
How do I change the strap on my TAG Heuer Formula 1 WBJ1312.FC8231?
To change the strap, you must remove the spring bars from the lugs. Use a dedicated spring bar tool to extract the lateral pins connecting the original strap to the case. Once these pins are removed, the old strap will detach easily. Position your new 20mm strap between the lugs, aligning the holes with those on the case, and reinsert the spring bars until fully secured. Execute this operation with care to avoid scratching the case. If you lack experience, consult a specialist service centre.
Which aftermarket strap is compatible with the TAG Heuer Formula 1 WBJ1312.FC8231?
Any strap with a lug width of 20mm is compatible with the TAG Heuer Formula 1 WBJ1312.FC8231. It is essential to verify that your chosen strap features standardised rectangular lugs and that the width measures exactly 20mm for proper attachment. Artisanal straps in alligator, calf, shell cordovan and vegetable-tanned leather are available in this size, ready for dispatch or customisable through specialist ateliers.
How long does a leather strap last on the TAG Heuer Formula 1 WBJ1312.FC8231?
Leather strap longevity depends on material selection and daily usage patterns. A well-maintained gummed calf strap resists wear for 3-5 years with intensive use. Shell cordovan, thanks to its superior density, can endure beyond 10 years. Alligator offers median longevity of 5-7 years if protected from excessive humidity. Vegetable-tanned leather softens naturally over time but maintains structural integrity for 6-8 years. Canvas-woven NATO straps guarantee superior resistance up to 7-10 years. Regular maintenance—periodic cleaning and occasional conditioning—significantly extends the useful life of any 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
