TAG Heuer · Monaco

Strap for Monaco Chronograh Titanium Gulf

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
ReferenceCAW218G.EB0393
FamilyMonaco
MovementTAG Heuer caliber 11 hours, minutes, small seconds | date | Chronograph
Year2025
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 CAW218G.EB0393

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Monaco CAW218G.EB0393, seen from the bench

The TAG Heuer Monaco CAW218G.EB0393 is a contemporary evolution of the first automatic chronograph with a waterproof square case, presented in 1969. This titanium model features a 39.00mm case diameter and the TAG Heuer Calibre 11 automatic movement with chronograph, date, and power reserve. The titanium case is lightweight, corrosion-resistant, and develops a natural silver-gray patina over time. The 20mm lug width is integral to the square case architecture and ensures visual and ergonomic balance on the wrist.

Frequently asked questions

What is the exact lug width of the TAG Heuer Monaco CAW218G.EB0393?

The TAG Heuer Monaco CAW218G.EB0393 lug width is 20mm. This dimension is intrinsically linked to the square case geometry (39mm): the integrated lugs of the Monaco require straps with precisely 20mm width. Verify compatibility by measuring the internal distance between the lugs with a digital calliper, perpendicular to the dial.

Which strap do you recommend for the Monaco CAW218G.EB0393?

This depends on intended use. Alligator amplifies the square character of the titanium case with dynamic geometric grain. Shell cordovan ages synchronised with the natural patina of titanium and represents the most sophisticated choice. Black calf maintains understated elegance in formal contexts. Fabric NATO remains the authentic sports choice for drivers. FKM rubber is ideal for humid or aquatic environments.

How do you change the strap on the TAG Heuer Monaco CAW218G.EB0393?

The Monaco uses standard integrated 20mm lugs. Employ a spring bar tool (tweezers with rounded tips) to gently remove the retention springs. Insert the spring pin into the appropriate hole on the upper and lower lug, applying gradual pressure toward the case centre. This operation requires care to avoid scratching the titanium case: consider having a certified watchmaker perform the first change.

Is it possible to use an aftermarket strap on the Monaco CAW218G.EB0393?

Absolutely. The standard 20mm lug attachment on the Monaco is compatible with any quality artisanal strap with 20mm width. Artisanal straps in alligator, calf, shell cordovan or vegetable tanning from specialised brands such as Milano Straps guarantee aesthetic coherence and durability comparable to that of the chronograph. Always verify that the strap is delivered with spring bar tool and assembly instructions.

How long does a leather strap last on a Monaco worn daily?

A quality artisanal leather strap has average durability of 3-5 years with daily use, dependent on sun exposure, humidity and perspiration. Shell cordovan resists longer (5-7 years) due to dense fibrous structure. Alligator and calf require preventive maintenance: avoid full immersion and apply leather conditioner every 6 months. FKM rubber has theoretically unlimited durability, but loses elasticity after 7-10 years.

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