Oris · Big Crown

Strap for Oris Big Crown 01 754 7741 3115

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

Lug width20 mm
Case diameter40 mm
Reference01 754 7741 3115
FamilyBig Crown
MovementOris caliber Oris 754 Hours, Minutes, Seconds | Date

Spring bar

Swiss Standard universal spring bars

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

The Big Crown 01 754 7741 3115, seen from the bench

The Oris Big Crown ref. 01 754 7741 3115 features a 40mm case made of bronze and stainless steel. It houses the Oris 754 caliber with hours, minutes, seconds and date indications. The lugs measure 20mm in width.

Frequently asked questions

What is the exact lug width of the Oris Big Crown 01 754 7741 3115?

The lug width of the Oris Big Crown 01 754 7741 3115 is 20mm. This measurement represents the internal distance between the two lugs protruding from the case, at the point where the strap is inserted. It is essential to verify that your chosen strap is compatible with this specific measurement, as a strap that is too wide or too narrow will not seat correctly.

What is the best strap for the Oris Big Crown 01 754 7741 3115?

There is no single answer, as it depends on use and personal aesthetic preference. A strap in vegetable-tanned Tuscan leather amplifies the vintage character and natural ageing of the bronze case. A NATO strap restores sporting authenticity and aviator functionality. High-density rubber offers practicality and secure grip in humid conditions. Each material tells a different story of the same watch.

How do I change the strap on the Oris Big Crown 01 754 7741 3115?

Changing the strap is a straightforward operation requiring no specialized tools. You must remove the spring bars that hold the old strap, extract the old strap from the lugs, and then insert the new strap by aligning the holes with the spring bars. The bars must be pushed gently inward to facilitate extraction and insertion. If you are unfamiliar with the process, Milano Straps provides detailed instructions or technical support.

What aftermarket strap is compatible with the Oris Big Crown 01 754 7741 3115?

Any strap with a 20mm lug width is compatible with this model. Milano Straps offers a complete selection of handcrafted 20mm straps, available in vegetable-tanned leather, alligator, NATO, and rubber. All straps are verified to guarantee mechanical and aesthetic compatibility with the Big Crown.

How long does a leather strap last on the Oris Big Crown 01 754 7741 3115?

A well-maintained strap in vegetable-tanned leather lasts an average of 4-6 years with daily wear, and up to 8-10 years if worn occasionally. Durability depends on regular maintenance, moisture exposure, and environmental conditions. A NATO strap lasts 5-7 years, while rubber resists for a minimum of 7-10 years. Milano Straps provides specific care instructions for each material.

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