Oris · Big Crown

Strap for Big Crown Pointer Date 36 Stainless Steel / Silver

Takes 18 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width18 mm
Case diameter36 mm
Reference01 754 7551 4061-07 5 18 53
FamilyBig Crown
MovementOris caliber Oris 754 hours, minutes, seconds | date
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 Big Crown 01 754 7551 4061-07 5 18 53

Selected for the 18 mm lug width

All 18 mm straps →

The Big Crown 01 754 7551 4061-07 5 18 53, seen from the bench

The Oris Big Crown features the Oris 754 automatic calibre with indication of hours, minutes, seconds and date. The case has 18mm lugs for the strap. The model maintains the characteristics of the Big Crown collection with an oversized crown.

Frequently asked questions

What is the lug width of the Oris Big Crown 01 754 7551 4061-07 5 18 53?

The lug width of this model is precisely 18.00 millimetres, determined by the 36-millimetre case geometry. This specific measurement excludes universal straps and requires a conscientious selection of artisanal straps constructed for this exact width. The distance is measured between the internal lugs of the case, where the strap sits, ensuring a visual transition without discrepancy.

Which strap is best suited to the Oris Big Crown 01 754 7551 4061-07 5 18 53?

The choice depends on your usage and aesthetic preference. For formal contexts, a mahogany shell cordovan or black alligator strap generates the dignity expressed by the watch. For daily versatility, vegetable-tanned calf leather in cream or sand tones maintains chromatic neutrality. For sporting emphasis, a NATO strap in dark grey, navy blue, or military khaki underscores the model's aviation heritage. Rubber, finally, represents the contemporary choice for those viewing the Big Crown as an uncompromising tool.

How do you change the strap on an Oris Big Crown?

The strap is replaced by removing the spring bars that connect the lugs to the case. Use a dedicated spring bar tool or a Swiss Army knife with a flat tip. Release the tension of the spring bar by gently pressing the internal lever, then slide the strap out of the seats. Insert the new 18.00-millimetre strap, aligning it with the lugs, and reposition the spring bar, ensuring it is fully secured on both sides of the case.

Can I use an aftermarket strap on this Oris Big Crown?

Absolutely. Any strap with an 18.00-millimetre lug width—whether leather, fabric, or rubber—is compatible with the model 01 754 7551 4061-07 5 18 53. Artisanal straps from specialised suppliers offer superior construction quality compared to original replacements, allowing radical personalisation of the watch. Always verify that the strap is constructed specifically for the 18mm measurement to avoid adapters or dimensional compromises.

What is the average lifespan of a leather strap on an Oris Big Crown?

A high-quality leather strap—crafted from shell cordovan, vegetable-tanned calf, or alligator—maintains structural integrity for between 3 and 5 years of daily use, provided periodic maintenance: weekly cleaning with a soft, damp cloth, rapid drying after accidental water contact, and storage in a dry environment. The patina that develops over time is not deterioration but evidence of commendable ageing. A NATO strap, made of cotton or nylon, has greater longevity, up to 7–8 years, owing to the absence of protein-based materials subject to 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