TAG Heuer · Formula 1

Strap for TAG Heuer Formula 1 WAZ2011.BA0842

The Formula 1 Calibre 5 43 Stainless Steel / Grey / Bracelet takes 21.5 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

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Lug width21.5 mm
Case diameter43 mm
ReferenceWAZ2011.BA0842
FamilyFormula 1
MovementTAG Heuer caliber 5 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

Standard spring bar · length 21.5 mm · Ø 1.8 mm double flange · industry standard, no brand part number

Formula 1 Calibre 5 43 Stainless Steel / Grey / Bracelet — watch

What length do I need?

Measure your wrist with a tailor's tape or a piece of string, comfortably snug.

Wrist circumferenceLength (long side / short side)
15.0–16.4 cm120 / 70 mm
16.5–17.8 cm125 / 75 mm
17.9–19.0 cm130 / 80 mm
19.1–20.3 cm135 / 85 mm
20.4–21.6 cm140 / 85 mm
21.7–22.9 cm145 / 90 mm

The ready-to-wear strap is 115 × 75 mm. For a smaller or larger wrist I make it in the right length: order your length.

What I'm asked about the TAG Heuer Formula 1 WAZ2011.BA0842

What strap size does the TAG Heuer Formula 1 WAZ2011.BA0842 take?

The TAG Heuer Formula 1 WAZ2011.BA0842 needs 21.5 mm between the lugs. It's the size I've been fitting on it for years.

Can the strap on the TAG Heuer Formula 1 WAZ2011.BA0842 be changed?

Yes. It has spring bars between the lugs: with the right tool the strap comes off in a minute. If you'd rather not risk a scratch, I do it in the workshop.

Can I put a leather strap on the TAG Heuer Formula 1 WAZ2011.BA0842?

Yes, in 21.5 mm leather. On a 43 mm case a calf strap works every day; if you want something more, alligator.

Which strap do you recommend for the TAG Heuer Formula 1 WAZ2011.BA0842?

A 21.5 mm calf strap, for every day. I don't keep this size ready in the catalogue: I make it to measure. If you'd rather have something built on your wrist, the Casati atelier.

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

The atelier's website: casatimilano.com

Updated on · by Antonio Zichichi