TAG Heuer · Formula 1

Strap for Formula 1 Quartz 41 Stainless Steel / Black / Bracelet

Takes 18 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width18 mm
Case diameter41 mm
ReferenceWAZ1110.BA0875 (aka: WAZ1110BA0875, WAZ1110)
FamilyFormula 1
MovementRonda caliber 6004.B hours, minutes, small seconds | big 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 WAZ1110.BA0875 (aka: WAZ1110BA0875, WAZ1110)

Selected for the 18 mm lug width

All 18 mm straps →

The Formula 1 WAZ1110.BA0875 (aka: WAZ1110BA0875, WAZ1110), seen from the bench

The TAG Heuer Formula 1 WAZ1110.BA0875 is an iconic sports watch featuring a 41 mm stainless steel case with a characteristic black dial and red accents. It houses the Ronda caliber 6004.B quartz movement with hours, minutes, small seconds and date display, offering water resistance to 300 metres. The 18 mm lug width allows for easy strap interchange, making this model particularly appreciated by collectors seeking customization options.

Frequently asked questions

What is the lug width of the TAG Heuer Formula 1 WAZ1110.BA0875?

The lug width of the TAG Heuer Formula 1 WAZ1110.BA0875 is 18 millimetres. This dimension represents the space between the lugs on the case and is essential for selecting a compatible strap. Measurement should be taken between the inner edges of the lugs using a digital calliper or precision ruler.

What is the best strap for the TAG Heuer Formula 1 WAZ1110.BA0875?

The optimal choice depends on intended use. For sporting elegance, we recommend alligator with vegetable tanning or shell cordovan, which emphasise the racing character whilst maintaining refinement. For daily practicality, grained calf leather or FKM rubber straps are suitable. A stainless steel deployant buckle maintains aesthetic consistency with the case.

How do I change the strap on the TAG Heuer Formula 1 WAZ1110.BA0875?

To change the strap, use a dedicated springbar remover tool. Insert the tool gently beneath the springbar on one side, lift slightly to decompress the internal spring, then extract the bar. Repeat on the other side. Insert the new springbars into the replacement strap and reposition them into the case lugs, ensuring perfect alignment and secure seating.

Can I use an aftermarket compatible strap on this model?

Yes, aftermarket straps are compatible provided they conform to the 18-millimetre lug width specification. Premium aftermarket leather straps offer significant advantages: superior materials such as alligator and shell cordovan, customisable sartorial finishes (initials, thread colour selection), and the ability to adjust length to your wrist. Ensure the strap features compatible springbars.

What is the lifespan of a leather strap on a watch like the WAZ1110.BA0875?

Leather strap durability depends on material type, tanning method and usage patterns. High-quality alligator or shell cordovan with vegetable tanning typically lasts 5-8 years under daily wear, developing characteristic patina. Grained calf leather offers similar longevity with regular maintenance. Longevity increases if the strap is protected from constant water exposure, humidity and perspiration. The 18-month warranty offered by sartorial ateliers guarantees structural reliability and component replacement capability for worn parts.

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