Oris · Artelier

Strap for Artelier Chronometer Date 40 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
Reference01 737 7721 4031-07 5 21 32FC
FamilyArtelier
MovementOris caliber Oris 737 Hours, Minutes, Seconds | Date | 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 01 737 7721 4031-07 5 21 32FC

Selected for the 21 mm lug width · workshop selection

All 21 mm straps →

The Artelier 01 737 7721 4031-07 5 21 32FC, seen from the bench

The Oris Artelier Chronometer Date 40 is a stainless steel model with 40mm diameter and 21mm lug width, powered by the automatic Oris caliber 737 movement with chronometer certification, date function, and 38-hour power reserve. The 11mm thick case features satin-finished surfaces with polished edges, sapphire caseback, and indices applied to the silver dial. This timepiece belongs to the Artelier collection, Oris's historic line dedicated to classical elegance.

Frequently asked questions

What is the lug width of the Oris Artelier 01 737 7721 4031-07 5 21 32FC?

The lug width is precisely 21mm. This dimension represents the distance between the two attachment pins on the case, measured internally. It is essential to verify this measurement before purchasing a replacement strap, as a lug width that is too narrow or too wide will not insert correctly.

Which strap is most suitable for the Oris Artelier 01 737 7721 4031-07 5 21 32FC?

The ideal strap depends on intended use. For formal contexts, we recommend alligator leather in vegetable tanning or Italian calf in brown or black tones, paired with a stainless steel deployante clasp. For daily versatility, a NATO strap in robust canvas offers comfort and practicality. For sports and aquatic environments, structured rubber is the best technical choice.

How do I change the strap on the Oris Artelier 01 737 7721 4031-07 5 21 32FC?

Remove the original strap by gently pushing the lateral pins inward toward the case interior using a flat tool (dedicated strap removal tool or butter knife). Once the pins are extracted, the old strap will release. Align the new strap holes with the lugs and push the pins back in until fully locked. Verify that the pins are properly positioned before wearing the watch.

Can I use aftermarket straps from other brands on my Oris Artelier?

Yes, provided the lug width is exactly 21mm. Many manufacturers offer straps compatible with this width. We recommend choosing straps of comparable quality to the serious construction of the watch itself: the aesthetic contrast between an Oris case and a poor-quality strap would be evident.

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

Durability depends on use, climate, and maintenance. An alligator or calf leather strap in vegetable tanning, with proper care (protection from excessive moisture, periodic cleaning), can last 5-7 years of daily wear. The patina that develops over time is a merit, not a flaw, and testifies to the personal relationship between owner and instrument.

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