Oris · Big Crown

Strap for Big Crown Pointer Date 40 Roberto Clemente

Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width

20mm

20 mm straps All Oris

Lug width20 mm

Case diameter40 mm

Reference01 754 7741 4081-Set

FamilyBig Crown

MovementOris caliber Oris 754 hours, minutes, seconds | date

Year2020

CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

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Straps for the Big Crown 01 754 7741 4081-Set

Selected for the 20 mm lug width

All 20 mm straps →

The Big Crown 01 754 7741 4081-Set, seen from the bench

The Oris Big Crown represents a line of pilot watches characterized by a large crown to facilitate use with gloves. The reference 01 754 7741 4081-Set is equipped with the Oris 754 automatic caliber with indication of hours, minutes, seconds and date. The watch features 20mm lugs and maintains the typical design of aeronautical instruments.

Frequently asked questions

What is the lug width of the Oris Big Crown 01 754 7741 4081-Set?

The lug width is 20mm. This measurement represents the consolidated standard in Swiss sports-elegant watches and requires specific straps for correct installation via 1.8mm spring bars.

What strap do you recommend for this model?

For the Big Crown 01 754 7741 4081-Set we recommend alligator in cognac or black for maximum aesthetic rendering, vegetable-tanned calf for versatility and natural patina development, heavyweight cotton NATO for tactical robustness, or FKM synthetic rubber for extreme performance.

How do I change the strap on the Oris Big Crown 01 754 7741 4081-Set?

Use a spring bar tool to depress the spring bars (retention springs) on both sides of the lug. New straps slide onto the adjacent lugs. This requires no specialist skills, but careful movements to avoid scratching the case.

Can I use an aftermarket strap with this watch?

Yes. Any strap with 20mm lug width and compatible lugs (standard 1.8mm) will install correctly. Milano Straps offers aftermarket straps of certified artisanal quality for the 20mm format.

How long does a leather strap last over time?

A vegetable-tanned calf or quality alligator strap lasts 3-4 years with regular maintenance and temperate climate. Patina develops within the first 6-12 months. Rubber lasts 5-6 years without appreciable aesthetic degradation.

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