Oris · Big Crown

Strap for Big Crown Original Pointer Date 40 Stainless Steel / Black / Bracelet

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 7696 4064-07 8 20 30
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 7696 4064-07 8 20 30

Selected for the 20 mm lug width

All 20 mm straps →

The Big Crown 01 754 7696 4064-07 8 20 30, seen from the bench

The Oris Big Crown features the Oris 754 automatic caliber with hour, minute, second and date indication. The movement offers essential functions in a classic three-hand configuration with date. The reference 01 754 7696 4064-07 8 20 30 identifies this variant of the Big Crown collection by the Swiss brand.

Frequently asked questions

What is the lug width of the Oris Big Crown 01 754 7696 4064-07 8 20 30?

The lug width of the Big Crown 01 754 7696 4064-07 8 20 30 is precisely 20 millimetres. This measurement refers to the distance between the case lugs where the strap attaches. Any aftermarket or bespoke strap must be exactly 20mm wide to fit without lateral play or tension misalignment.

What is the best strap for the Oris Big Crown 01 754 7696 4064-07 8 20 30?

There is no universally "best" strap, but rather strategic choices according to intended use. An alligator strap with vegetable tanning offers refinement and natural ageing; calf leather ensures versatility between formal and semi-casual contexts; a NATO strap in military-grade fabric provides sporting practicality; vulcanised rubber with steel deployante is essential for aquatic environments. The choice reflects the role the Big Crown plays in your daily routine.

How do I change the strap on the Oris Big Crown 01 754 7696 4064-07 8 20 30?

Strap replacement requires a spring bar tool or small flathead implement. Insert the tip beneath the spring bar securing the strap to the lug, apply gentle pressure to release the internal spring mechanism, extract the bar and repeat on the opposite side. Align the new strap's holes with the bars and press firmly until they click into position. This is a fully reversible operation requiring no professional intervention.

Can I use an aftermarket compatible strap with the Oris Big Crown 01 754 7696 4064-07 8 20 30?

Absolutely. Any bespoke or artisanal strap manufactured to 20mm lug width is fully compatible with this model. Milano Straps offers a dedicated collection of leather, alligator, NATO and rubber straps in the correct dimensions. The critical factor is verifying that lug width is precisely 20mm to prevent lateral play or uneven tension distribution.

How long does a leather strap last on the Oris Big Crown 01 754 7696 4064-07 8 20 30?

A vegetable-tanned leather strap of quality construction typically lasts 3-5 years under moderate daily wear with regular maintenance. Ageing does not equate to deterioration: the leather develops natural patina and remarkable textural character over time. Humidity, perspiration and solar exposure accelerate the process. Storing the strap in dry conditions and occasionally conditioning it with natural oils significantly extends longevity.

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