TAG Heuer · Monaco

Strap for Monaco Racing Blue

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
ReferenceCAW218C.FC6548
FamilyMonaco
MovementTAG Heuer caliber 11 hours, minutes, small seconds | date | Chronograph
Year2023
CaseTitanium

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 CAW218C.FC6548

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Monaco CAW218C.FC6548, seen from the bench

The TAG Heuer Monaco CAW218C.FC6548 is a square chronograph in brushed titanium with a 39 mm case diameter and 20 mm lug width. Powered by the TAG Heuer Calibre 11 manual-winding movement, it features an asymmetrical rectangular dial with subdials, water resistance to 100 meters, and an anti-reflective sapphire crystal. The brushed titanium bezel maintains the sport collection's matte finish characteristic, while the left-positioned crown preserves the iconic asymmetrical geometry that has defined the Monaco since 1969.

Frequently asked questions

What is the lug width of the TAG Heuer Monaco CAW218C.FC6548?

The lug width of the TAG Heuer Monaco CAW218C.FC6548 is 20 millimetres. This is the standard measurement between the inner shoulders of the lugs, essential for selecting the correct strap. Always verify this dimension with a calliper before ordering, as even minor variations can cause excessive play or tension on the strap.

Which strap is most suitable for the TAG Heuer Monaco CAW218C.FC6548?

For the Monaco CAW218C.FC6548, we recommend vegetable-tanned alligator leather that maintains the sporty sobriety paired with the brushed titanium case finish. Alternatively, premium matte calf leather allows for more pronounced chromatic variations, whilst a nylon NATO strap in double-layer construction offers practicality and chromatic versatility for a more casual approach.

How do I change the strap on my TAG Heuer Monaco CAW218C.FC6548?

The strap is changed by removing the spring bars that connect the lugs to the case. Use a dedicated tool—a spring bar tool—positioned in the hole beneath the lug to compress the spring and slide the bar free. Replace the strap by aligning the new strap keeper with the lugs and reinsert the spring. Ensure the keeper is tensioned equally on both sides.

Can I use an aftermarket-compatible strap on this model?

Yes, any strap with a 20mm lug width is compatible with the TAG Heuer Monaco CAW218C.FC6548. Handcrafted straps from Milano Straps are made to measure with this specification and maintain the quality standards required for a chronograph of this category. Always verify that the keeper is crafted with precision to avoid excessive play.

How long does a natural leather strap last on a watch like this?

A premium leather strap (alligator or calf) typically lasts 4 to 6 years with daily use, depending on humidity levels and sun exposure. The leather develops a natural patina that increases aesthetic character over time. Vegetable-tanned leather tends to age better than chemical methods, creating a tactile memory that enriches the object. Periodic maintenance with natural protective creams significantly extends longevity.

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