Technical Archive

Ulysse Nardin
Executive 3715-260/CARB— lug 20mm

Ulysse Nardin Executive 3715-260/CARB: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Executive Carbon

Artisanal Note

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

Technical Specifications

Ulysse Nardin 3715-260/CARB
Lug Width
20 mm

The essential strap measurement.

Browse 20mm straps →
Reference

3715-260/CARB

Movement

Ulysse Nardin caliber UN-171 Hours, Minutes, Small Seconds | Date | Chronograph, Column wheel

The Heritage

The Ulysse Nardin Executive Carbon 3715-260/CARB features a carbon case with 42.00 mm diameter and a 20 mm lug width. Powered by the UN-171 caliber with column-wheel chronograph complication, this contemporary reinterpretation of the historic Executive collection represents the brand's material innovation from Le Locle. The asymmetric carbon case geometry combines technical precision with refined proportions suited for medium-sized wrists.

FAQ

What is the lug width of the Ulysse Nardin Executive 3715-260/CARB?

The lug width of the Ulysse Nardin Executive 3715-260/CARB is 20 mm. This measurement represents the linear distance between the two spring bar attachments located on the case lugs in carbon composite, and it determines the geometric compatibility of any replacement strap. You can verify this dimension independently using a digital calliper by measuring the space between the internal fixing rings.

What is the best strap for the Ulysse Nardin Executive 3715-260/CARB?

The best strap depends on intended use and aesthetic preference. For formal wear, we recommend alligator with fine grain texture in cognac brown or black tones, which creates sophisticated contrast with the carbon case. For sporting use, a charcoal grey NATO strap or synthetic rubber offers comfort and versatility. Vegetable-tanned calf leather straps, ageing naturally over time, develop a patina that harmoniously dialogues with the contemporary materiality of the carbon.

How do you change the strap on the Ulysse Nardin Executive 3715-260/CARB?

Changing the strap requires the use of a dedicated spring bar tool (strap removal tool). Position the tool inside the case lug to compress the internal spring of the attachment, enabling the bar to be extracted. Repeat for both sides. Insert the new strap's bars into the attachments, verifying that the retention spring clicks correctly into position. This operation demands precision, and if you lack experience, it is advisable to entrust the task to a specialised watchmaker.

Are aftermarket straps compatible with the 3715-260/CARB?

Yes, any strap with a 20 mm lug width is compatible with the 3715-260/CARB. Milano Straps offers an extensive range of handcrafted straps in this size, manufactured from carefully selected materials (alligator, calf, NATO, rubber) and fully customisable to individual specifications. Geometric compatibility is guaranteed by this international standardisation, permitting endless aesthetic solutions without constructive compromise.

What is the estimated lifespan of a leather strap for the 3715-260/CARB?

The lifespan of a leather strap depends on material type and intensity of use. A quality alligator with vegetable tanning has an estimated longevity of 5-7 years in regular use, developing a distinctive patina over time that increases its appeal. Vegetable-tanned calf leather presents similar durability, with a texture that softens naturally with age. Environmental conditions (humidity, sun exposure), frequency of wear, and routine care (gentle cleaning) significantly influence the preservation of leather over time.