TAG Heuer · Formula 1

Strap for Formula 1 Quartz 37 Stainless Steel / Diamond / Purple / Bracelet

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

Lug width20 mm
Case diameter37 mm
ReferenceWAC1219.BA0852 (aka: WAC1219BA0852, WAC1219)
FamilyFormula 1
MovementETA caliber F05.111 hours, minutes, seconds | date
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 WAC1219.BA0852 (aka: WAC1219BA0852, WAC1219)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Formula 1 WAC1219.BA0852 (aka: WAC1219BA0852, WAC1219), seen from the bench

The TAG Heuer Formula 1 WAC1219.BA0852 is a sports watch introduced in 1986, featuring a 37mm stainless steel case with a unidirectional rotating bezel. Powered by an ETA caliber F05.111 movement, it displays hours, minutes, seconds, and date at 3 o'clock. The 20mm lug width accommodates wrists 16cm and above. Water-resistant to 300 meters with sapphire caseback, this model combines racing heritage with wearable proportions and no chronograph complications.

Frequently asked questions

What is the exact lug width of the TAG Heuer Formula 1 WAC1219.BA0852?

The lug width of the TAG Heuer Formula 1 WAC1219.BA0852 is 20mm. This dimension represents the distance between the two metal-to-metal lugs that secure the strap to the case. To verify this accurately, position a digital calliper between the lugs excluding the strap holes, obtaining a precise reading of 20mm.

Which strap material is most suitable for the TAG Heuer Formula 1 WAC1219.BA0852?

For the WAC1219.BA0852, black alligator with vegetable tanning represents the most coherent choice: the regular grain accentuates case geometry, whilst natural leather balances stainless steel sportiness. French calf offers compact elegance, quality rubber guarantees durability in humid conditions, and dark grey NATO echoes 1980s racing spirit.

How do I change the strap on my TAG Heuer Formula 1 WAC1219.BA0852?

Disconnect the original strap using a spring bar removal tool: insert it into the small lateral hole of the lug, gently lift the metal pin and slide the strap out of the seat. Repeat the operation at the other lug. To install the new 20mm strap, reinsert the pins into the case lugs, sliding the strap until tactile engagement.

Is an aftermarket strap compatible with the TAG Heuer Formula 1 WAC1219.BA0852?

Yes, any strap with a 20mm lug width is compatible with the WAC1219.BA0852. Before purchase, verify that the strap is specified for this exact width. Custom artisanal straps can be commissioned directly by indicating the TAG Heuer model, ensuring perfect fit and bespoke details.

How long does a natural leather strap last on the TAG Heuer Formula 1 WAC1219.BA0852?

A quality natural leather strap (alligator, vegetable-tanned calf) lasts 3–5 years in daily wear, developing aesthetic patina over time. Longevity depends on sun exposure, humidity and frequency of use. Artisanal straps typically guarantee 18 months against manufacturing defects, though leather can be reconditioned or replaced when necessary.

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.

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