TAG Heuer · Monaco

Strap for Monaco Calibre 11 France Edition

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

Lug width20 mm
Case diameter39 mm
ReferenceCAW211S.FC6375
FamilyMonaco
MovementTAG Heuer caliber 11 hours, minutes, small seconds | date | Chronograph
Year2017
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 Monaco CAW211S.FC6375

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Monaco CAW211S.FC6375, seen from the bench

The Monaco was introduced in 1969 as the first automatic chronograph with a water-resistant square case. It is powered by the automatic Caliber 11 with chronograph, small seconds and date functions. The square case features a distinctive design with the crown positioned on the left side.

Frequently asked questions

What is the lug width of the TAG Heuer Monaco CAW211S.FC6375?

The TAG Heuer Monaco CAW211S.FC6375 features a lug width of 20mm, the standard dimension for 39mm Monaco models. This measurement reflects the original 1969 design proportions and maintains consistency with the model's distinctive square case aesthetic. To verify strap compatibility, measure the distance between the attachment pins using a digital calliper, keeping it parallel to the case.

Which strap is best suited for the TAG Heuer Monaco CAW211S.FC6375?

Strap selection depends on personal usage and aesthetic preference. For a classic racing look, cognac or aged alligator and shell cordovan emphasise the Monaco's heritage. For minimalist styling, smooth black or dark brown calf accentuates the case's square geometry. For sport practicality, NATO tactical straps in nylon or cotton offer versatility. The blue dial of the CAW211S.FC6375 pairs particularly well with warm tones (cognac, caramel) or cool contrasts (black with azure stitching).

How do you change the strap on a TAG Heuer Monaco CAW211S.FC6375?

Strap changing is straightforward, requiring a spring bar tool. Position the watch with the caseback facing upwards, insert the tool under the pin until it disengages from the lug seat, then remove the old strap. Repeat on the other side. To install the new strap, align the holes with the pins and gently push the pin back into the lug seat using the tool. Ensure the strap sits firmly and centrally on the case before wearing. If uncertain, consult a professional.

Are aftermarket straps compatible with the TAG Heuer Monaco CAW211S.FC6375?

Yes, all 20mm lug width straps are compatible with the TAG Heuer Monaco CAW211S.FC6375. The critical factor is selecting a strap quality that reflects the watch's prestige: full-grain leather, vegetable tanning, straight stitching, and consistent thickness (1.4-1.6mm). Artisanal straps offer superior visual proportions compared to generic alternatives, as they account for the Monaco's specific case geometry. Avoid poor-quality products that could scratch the case or rapidly wear the pins.

What is the lifespan of a leather strap on a TAG Heuer Monaco CAW211S.FC6375?

Lifespan depends on material and usage patterns. High-quality artisanal leather with vegetable tanning typically lasts 3–5 years with daily wear, developing a natural patina that enhances appeal. Shell cordovan is more resilient (5–7 years) and ages beautifully. Satin calf has similar durability but requires attention to scratches. NATO straps in nylon or cotton last 5–8 years with occasional washing. Proper maintenance—gentle cleaning, air drying, protection from moisture and direct sunlight—significantly extends any strap's life. Many CAW211S.FC6375 owners rotate multiple straps to distribute wear and maintain aesthetic versatility.

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