Technical Archive

TAG Heuer
Monaco CAL5113.FC6329 (aka: CAL5113FC6329, CAL5113)— lug 20mm

TAG Heuer Monaco CAL5113.FC6329 (aka: CAL5113FC6329, CAL5113): 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Monaco 24 Black

Artisanal Note

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

Technical Specifications

TAG Heuer CAL5113.FC6329 (aka: CAL5113FC6329, CAL5113)
Lug Width
20 mm

The essential strap measurement.

Browse 20mm straps →
Reference

CAL5113.FC6329 (aka: CAL5113FC6329, CAL5113)

Movement

TAG Heuer caliber Calibre 36 Hours, Minutes, Small Seconds | Date | Chronograph, Column wheel

The Heritage

The Monaco was introduced in 1969 as the first automatic chronograph with a square case. It is equipped with the automatic Calibre 36 with column-wheel chronograph function, small seconds and date. The reference CAL5113.FC6329 features the square case characteristic of the model.

FAQ

What is the lug width of the TAG Heuer Monaco CAL5113.FC6329?

The lug width of the TAG Heuer Monaco CAL5113.FC6329 is 20 millimetres. This measurement represents the distance between the case lugs where the strap attaches. It is a critical specification to ensure complete compatibility with any aftermarket artisanal strap.

What is the best strap for the TAG Heuer Monaco CAL5113.FC6329?

The best strap depends on intended use and aesthetic preference. For formal elegance, we recommend alligator with vegetable tanning or shell cordovan in burgundy, which enhance the square case geometry whilst maintaining sophistication. For sporty register, a navy NATO canvas or black rubber strap preserves the racing heritage. Embossed calf leather represents a versatile equilibrium between functionality and style.

How do I change the strap on the TAG Heuer Monaco CAL5113.FC6329?

The Monaco utilises standard 20mm spring bars. Equip yourself with a spring bar tool to compress the elastic pin, insert it into the lug spaces, and release to secure the strap in place. It is a straightforward operation but requires care to avoid scratching the case. A professional atelier can perform this service at no additional cost.

Is there an aftermarket strap compatible with the TAG Heuer Monaco CAL5113.FC6329?

Yes. Any strap constructed with 20mm lug width is compatible. The quality of an aftermarket strap depends on materials (leather, craftsmanship, finishing) and construction standards. The finest aftermarket straps utilise vegetable-tanned leather, hand-stitching, and bespoke sizing, offering customisation superior to TAG Heuer original straps.

How long does a leather strap last on the TAG Heuer Monaco?

A high-quality artisanal leather strap with vegetable tanning or shell cordovan typically lasts 5–10 years with daily wear, developing patina and character over time. Longevity depends on frequency of use, water exposure, and maintenance practices. A vegetable-tanned leather strap ages elegantly; shell cordovan becomes even more beautiful. Standard warranty is 18 months against manufacturing defects.