Louis Erard · Excellence

Strap for Excellence Regulator Stainless Steel / Silver

Takes 21 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width21 mm
Case diameter40 mm
Reference54230AA41.BDC02
FamilyExcellence
MovementLouis Erard caliber 7001 / RE9 Hours, Minutes, Small Seconds | Power Reserve Indicator
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 Excellence 54230AA41.BDC02

Selected for the 21 mm lug width · workshop selection

All 21 mm straps →

The Excellence 54230AA41.BDC02, seen from the bench

The Louis Erard Excellence 54230AA41.BDC02 is a 40mm stainless steel watch with a minimalist dial and satin finish case. Powered by the in-house Louis Erard 7001/RE9 manual movement, it features hours, minutes, small seconds, and power reserve indicator. The 21mm lug width is engineered for optimal proportions on this case diameter, ensuring perfect strap compatibility and structural integrity without compromises on wearability.

Frequently asked questions

What is the lug width of the Louis Erard Excellence 54230AA41.BDC02?

The lug width of this model is 21mm, measured between the inner edges of the two spring bar attachment lugs on the case. This dimension is model-specific and essential for sourcing compatible straps without lateral play or case friction.

Which strap do you recommend for the Louis Erard Excellence 54230AA41.BDC02?

For this brushed stainless steel 40mm case, we recommend primarily an alligator or vegetable-tanned calf leather strap in dark brown, cognac, or black tones. The interplay between leather grain and the satinised case finish produces a refined aesthetic result. Alternatively, a structured NATO strap offers functional versatility whilst maintaining visual coherence.

How do I change the strap on a Louis Erard watch?

Use a spring bar removal tool: position the bifurcated tip beneath the lug, apply gentle lateral pressure to compress the internal spring mechanism, then extract the lug from the case hole. Repeat for the opposite end. Ensure the lugs are perfectly aligned before inserting the new strap, verifying the absence of lateral play.

Can I use an aftermarket 21mm compatible strap with my Louis Erard Excellence?

Yes, provided the aftermarket strap is constructed specifically for 21mm lug width. Artisanal-quality straps (such as those from milanostraps.it) guarantee precise manufacturing tolerances, ensuring optimal fit and long-term durability without damaging the original case lugs.

What is the typical lifespan of a leather strap on a Louis Erard Excellence watch?

A quality aniline leather strap, vegetable-tanned (alligator or calf), maintains structural integrity for 3-5 years of regular wear, with variability depending on moisture exposure, perspiration, and replacement frequency. Well-maintained leather develops aesthetic patina over time, increasing collectability. Rubber straps typically last 2-3 years before visible elasticity failure occurs.

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.

Request an appointment →

Casati Milano · Via XX Settembre 15, Milan · by appointment only