TAG Heuer · Monaco

Strap for Monaco Calibre 11 Vintage 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
ReferenceCAW211B.FC6241 (aka: CAW211BFC6241, CAW211B)
FamilyMonaco
MovementTAG Heuer caliber 11 hours, minutes, small seconds | date | Chronograph
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 CAW211B.FC6241 (aka: CAW211BFC6241, CAW211B)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Monaco CAW211B.FC6241 (aka: CAW211BFC6241, CAW211B), seen from the bench

The Monaco was introduced in 1969 as the world's first automatic chronograph with a square case. It is powered by the automatic Calibre 11 with hour, minute, small seconds, date and chronograph functions. The reference CAW211B.FC6241 features the distinctive square case that characterizes this TAG Heuer collection.

Frequently asked questions

What is the lug width of the TAG Heuer Monaco CAW211B.FC6241?

The TAG Heuer Monaco CAW211B.FC6241 features a precisely measured lug width of 20 millimetres. This specification is critical for this model and must be verified by positioning a calliper perpendicular from the interior of one lug to the interior of the opposite lug. An acceptable tolerance range is 19.8 to 20.2 millimetres, ensuring a snug fit and reliable closure without lateral play or wobbling.

What is the best strap for the TAG Heuer Monaco CAW211B.FC6241?

The optimal strap selection depends on intended use and personal aesthetic preference. Alligator leather dyed in navy or black amplifies the blue Heuer dial through visual contrast, creating visual harmony. Shell cordovan in burgundy or dark brown offers introspective character with a surface that reflects light with its own geometry. Italian calf in grey-charcoal represents the balance between sportiness and refinement. NATO webbing in resilient nylon is ideal for aggressive weather conditions and high-intensity use. FKM rubber in perforated construction represents contemporary choice for intensive wear without compromise on functionality.

How do I change the strap on my TAG Heuer Monaco CAW211B.FC6241?

Strap replacement on the Monaco CAW211B.FC6241 requires a spring bar removal tool. Position the watch on a stable surface and locate the small hole at the end of each lug spring. Insert the tool gently to compress the spring and slide the lug outward. Repeat on the opposite side. To install a new strap, insert the lugs into the caseband holes, ensuring the spring mechanism clicks fully into position. Verify that the strap sits symmetrically relative to the case and that tension is balanced.

Is an aftermarket strap compatible with the TAG Heuer Monaco CAW211B.FC6241?

Any strap with a 20-millimetre lug width is mechanically compatible with the TAG Heuer Monaco CAW211B.FC6241, as lug width is the sole mechanical compatibility parameter. However, to ensure superior construction quality and longevity, select straps from specialised artisans working with premium-grade leather. Milano Straps offers 20mm straps customisable in size, colour, initials and stitching thread. For an even more exclusive experience, the Casati Milano atelier creates bespoke straps with personal leather selection and 18-month warranty.

What is the lifespan of a leather strap for the TAG Heuer Monaco CAW211B.FC6241?

Lifespan depends on leather type and intensity of wear. An alligator strap with vegetable tanning can endure 5-7 years in moderate daily use, developing increasingly refined patina over time. Shell cordovan, owing to its natural density, typically remains structurally sound beyond 7 years, though colour deepens progressively. Italian calf has an average lifespan of 3-5 years in daily wear, developing distinctive character and personalisation through ageing. NATO webbing in nylon, when subjected to periodic cleaning, lasts 4-6 years reliably. FKM rubber in perforated construction is the most durable under extreme conditions, with functional life spanning 5-8 years even in demanding sporting environments. All Milano Straps straps benefit from an 18-month warranty against manufacturing defects.

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