Technical Archive

TAG Heuer
Formula 1 CAH1113.BT0714— lug 20mm

TAG Heuer Formula 1 CAH1113.BT0714: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Formula 1 Quartz Chronograph Stainless Steel / Orange / Rubber

Artisanal Note

"This model requires a precise 20mm lug width to preserve the original sartorial balance."

Technical Specifications

TAG Heuer CAH1113.BT0714
Lug Width
20 mm

The essential strap measurement.

Browse 20mm straps →
Reference

CAH1113.BT0714

Movement

ETA caliber G10.712 CB Hours, Minutes, Small Seconds | Date | Chronograph, Rattrapante

The Heritage

The TAG Heuer Formula 1 reference CAH1113.BT0714 is powered by the ETA G10.712 CB quartz caliber with hour, minute, small seconds and date functions. The watch features a flyback chronograph for intermediate time measurement. The Formula 1 collection was launched in the 1980s as a sporty line for motorsport enthusiasts.

FAQ

What is the lug width of the TAG Heuer Formula 1 CAH1113.BT0714?

The lug width of the TAG Heuer Formula 1 CAH1113.BT0714 is 20 millimetres. This measurement, taken between the inner space of the case lugs, determines direct compatibility with aftermarket straps. To verify this measurement accurately, use a digital calliper or ruler positioned parallel to the lugs; the value must be exactly 20mm.

Which strap is best for the TAG Heuer Formula 1 CAH1113.BT0714?

The choice depends on intended use. For sporting and daily wear, a black alligator strap with contrasting stitching enhances the racing vocation whilst maintaining elegance. A calf leather strap with vegetable tanning offers supreme comfort and adaptability to the wrist. For a completely technical approach, a vulcanised rubber or NATO textile strap reinterprets the model in pure motorsport character. For stylistic versatility, a honey-brown alligator permits transitions between informal and business contexts.

How do I change the strap on a TAG Heuer Formula 1?

The strap on the CAH1113.BT0714 is replaced by removing the spring bars from the case lugs. Using a dedicated strap removal tool, gently push the spring inward to free one end of the bar; once extracted, the old strap detaches. For installation, align the new strap with the lugs and reinsert the spring bar until it clicks into place. Verify that the strap is secure before wearing.

Which aftermarket strap is compatible with the TAG Heuer Formula 1 CAH1113.BT0714?

Any strap with a 20mm lug width is compatible with the CAH1113.BT0714. This includes leather straps (alligator, calf, shell cordovan), technical textiles, rubber and hybrid materials. Straps must respect exclusively the 20mm width; thickness, length and buckle type may vary according to personal preference and desired aesthetics.

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

A quality leather strap, such as alligator or calf with vegetable tanning, has an average lifespan of 3–5 years with ordinary maintenance. Longevity depends on frequency of wear, exposure to moisture and heat, and care applied. Proper maintenance—avoiding prolonged immersion in water, drying after water exposure, occasionally applying specific creams—significantly extends useful life. Rubber straps resist longer in humid environments, whilst technical textiles offer durability comparable to natural materials.