Oris · Artelier

Strap for Artelier Chronometer Date 40.5 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 diameter41 mm
Reference01 637 7544 4061-07 8 21 71
FamilyArtelier
MovementOris caliber Oris 637 Hours, Minutes, Seconds | Date, Day | Chronometer
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 Artelier 01 637 7544 4061-07 8 21 71

Selected for the 21 mm lug width · workshop selection

All 21 mm straps →

The Artelier 01 637 7544 4061-07 8 21 71, seen from the bench

The Artelier represents Oris' classic line dedicated to traditional watchmaking. It features the Oris 637 caliber with hour, minute, second, date and day of the week functions, certified as a chronometer. The model has 21mm lugs for the strap.

Frequently asked questions

What is the lug width of the Oris Artelier 01 637 7544 4061-07 8 21 71?

The lug width is 21 mm. This parameter represents the distance between the two lugs (spring bar holes) on the case where the strap attaches. To verify this measurement, remove your current strap and measure the distance between the lugs using a digital calliper—it should read 21 mm. This specification is critical to ensure compatibility and maintain the aesthetic integrity of your watch.

Which strap pairs best with the Oris Artelier 01 637 7544 4061-07 8 21 71?

For the Artelier, we recommend a full-grain leather strap with vegetable tanning in dark tones (black, brown, cordovan). An alligator strap with semi-matte finish amplifies the formal elegance, whilst a calf leather option with steel deployante offers everyday versatility. For more sporty contexts, a NATO strap in cotton with tight weave maintains Oris' understated aesthetic. Your choice ultimately depends on your primary use case.

How do you change the strap on the Oris Artelier 01 637 7544 4061-07 8 21 71?

The strap is secured to the case via spring bars. Use a dedicated spring bar tool: apply gentle inward pressure to release the spring bar from its seat, then withdraw the strap from the case. To install your new strap, insert the spring bar into the lug hole, then press with the tool to lock it in position. Ensure the spring bar is fully seated and does not protrude. If uncertain, consulting a qualified watchmaker is the prudent choice.

Is an aftermarket strap compatible with the Oris Artelier 01 637 7544 4061-07 8 21 71?

Yes, provided the strap has a lug width of 21 mm. Any strap with 21 mm lugs is mechanically compatible. However, to preserve the aesthetic and constructive integrity of your watch, we recommend selecting artisanal-quality straps: full-grain leather, vegetable tanning, refined finishing. Lower-quality aftermarket straps compromise both comfort and the overall visual presentation of your Artelier.

How long does a leather strap last on a watch like the Oris Artelier?

Strap longevity depends on tanning quality, frequency of wear, and environmental conditions. A full-grain leather strap with vegetable tanning, worn daily under normal conditions, typically lasts 3–5 years before replacement is necessary. If exposed to high humidity or frequent perspiration, durability reduces to 2–3 years. Premium shell cordovan or alligator straps may last 5–7 years. To extend strap life, rotate between multiple straps and keep your leather dry.

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