Oris · Artelier

Strap for Artelier Complication 40.5 Stainless Steel / Silver / Bracelet

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 781 7703 4031-07 8 21 77
FamilyArtelier
MovementOris caliber Oris 781 hours, minutes, seconds, Additional 24 hours Hand (adjustable) | date, day | moonphase
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 01 781 7703 4031-07 8 21 77

Selected for the 21 mm lug width · workshop selection

All 21 mm straps →

The Artelier 01 781 7703 4031-07 8 21 77, seen from the bench

The Artelier features the Oris 781 calibre with hours, minutes, seconds and an adjustable GMT hand, as well as date, day and moon phase. The model has 21mm lugs and reference 01 781 7703 4031-07 8 21 77. The watch combines multiple functions in a complex technical configuration for everyday use and travel.

Frequently asked questions

What is the lug width of the Oris Artelier 01 781 7703 4031-07 8 21 77?

The lug width of this Artelier model is 21 mm. This dimension is Oris's standard for mid-case models and permits mounting of structured-thickness straps without aesthetic compromise. Before ordering an aftermarket strap, always verify the distance between the two lugs on your case: it must be exactly 21 mm.

What is the best strap for the Oris Artelier 01 781 7703 4031-07 8 21 77?

The ideal strap depends on intended use. For formal continuity we recommend alligator in vegetable tanning, dark brown or cognac shell cordovan—the rectilinear grain aligns with the dial's minimalism. For daily versatility, grained calf offers resilience and patina development over time. NATO canvas and FKM rubber remain excellent choices for maritime environments or high-perspiration conditions.

How do you change the strap on the Oris Artelier 01 781 7703 4031-07 8 21 77?

The strap connects to the case via two pins (or lugs) positioned at 12 and 6 o'clock. Use a dedicated tool (spring bar tool) to compress the pin on one side and slide it out of the housing. Repeat on the other side. Insert the new strap by aligning the pins to the housings and press until you hear a click. If you lack the tool, contact a professional strap change service.

Are there aftermarket straps compatible with this Oris Artelier?

Yes. Any strap with a 21 mm lug width is compatible with the 01 781 7703 4031-07 8 21 77. On milanostraps.it you will find a dedicated collection of 21 mm straps, customisable in material, colour and finish. We also verify lug depth to ensure the strap flows smoothly without friction against the case.

How long does a leather strap last on this watch?

The lifespan of a leather strap (alligator, calf, shell cordovan) varies by frequency of use, exposure to direct sunlight and ambient humidity. Under normal conditions (non-sports daily wear), a vegetable-tanned strap resists 3–5 years before replacement is necessary. Leather develops patina; minor creasing and colour change are natural signs of ageing. If exposed to intense sunlight, chlorine or constant salt water, lifespan reduces to 18–24 months. Storing the watch in its case when not in use prolongs strap life.

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