Oris · Big Crown

Strap for Oris Big Crown 01 754 7679 4361

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 7679 4361
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

Straps for the Big Crown 01 754 7679 4361

Selected for the 20 mm lug width

All 20 mm straps →

The Big Crown 01 754 7679 4361, seen from the bench

The Oris Big Crown features the Oris 754 automatic caliber with hour, minute, second, and date indication. The stainless steel case measures 40mm in diameter with 20mm lugs. The model maintains the technical features of the pilot's collection with a generously sized crown for ease of use.

Frequently asked questions

What is the lug width of the Oris Big Crown 01 754 7679 4361?

The lug width of the Oris Big Crown 01 754 7679 4361 is 20 millimetres. This measurement represents the linear distance between the two lugs that hold the strap, measured from interior to interior. It is essential to verify this dimension with precision before ordering a replacement strap, as even minimal variations would cause mechanical play or prevent mounting.

What is the best strap for the Oris Big Crown 01 754 7679 4361?

The choice of strap depends on intended usage and aesthetic preference. For formal contexts, vegetable-tanned alligator develops progressive patina and stylistic coherence with the model's avionic iconography. For versatile daily wear, recycled NATO fabric combines functionality, sustainability, and the utility vocation that the Big Crown naturally expresses. For intense activities or marine environments, vulcanised rubber guarantees secure attachment and resistance. All these materials are available in 20mm width at Milano Straps.

How do you change the strap on an Oris Big Crown 01 754 7679 4361?

Strap replacement requires a spring bar tool (an implement with flexible prongs) to compress the small springs that hold the lug to the case lugs. Position the tool under the old strap lug, lever gently to release it, then repeat on the other side. Once the spring bars are removed from the old strap, insert them into the holes of the new 20mm strap and press firmly onto the case lugs until they click into place. Verify that the strap is aligned symmetrically before wearing the watch.

Is the Oris Big Crown 01 754 7679 4361 compatible with aftermarket straps?

Yes, the Big Crown 01 754 7679 4361 is fully compatible with aftermarket straps of 20mm width, provided they are correctly measured. Milano Straps offers a comprehensive selection of artisanal straps in vegetable-tanned leather, ecological NATO, and vulcanised rubber, all tested for perfect fit to this case lug configuration. Compatibility is guaranteed by ISO standardisation of lugs and spring bars, allowing seamless replacements without compromising structural integrity.

What is the expected lifespan of a leather strap on an Oris Big Crown 01 754 7679 4361?

A quality leather strap (alligator, vegetable-tanned calf) mounted on an Oris Big Crown 01 754 7679 4361 has a functional longevity of between 3 and 5 years of standard daily wear, dependent on frequency of use, humidity exposure, and environmental conditions. Vegetable tanning develops progressive patina, thickening slightly in the first months of use, then stabilising. Periodic maintenance (application of natural waxes, drying after humidity exposure) significantly extends the functional and aesthetic lifespan of the strap.

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