Oris · Big Crown

Strap for Big Crown Pointer Date Calibre 403 Stainless Steel / Blue / Bracelet

Takes 19 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width19 mm
Case diameter38 mm
Reference01 403 7776 4065-07 8 19 06
FamilyBig Crown
MovementOris caliber Oris 403 Hours, Minutes, Small 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

The Big Crown 01 403 7776 4065-07 8 19 06, seen from the bench

The Oris Big Crown Pointer Date Calibre 403 is a contemporary evolution of a Swiss manufacturing icon, reinterpreting 1950s chronographs while maintaining the brand's construction philosophy. The 38mm stainless steel case features extended lugs and a cylindrical profile, expressing pure horological engineering without compromise. The automatic Calibre 403 movement provides hours, minutes, small seconds, and date indication, with 100-meter water resistance suitable for light water sports and swimming. The 19mm lug width is specific to this reference and requires custom-fitted straps for proper fit and stability.

Frequently asked questions

What is the lug width of the Oris Big Crown 01 403 7776 4065-07 8 19 06?

This model features a 19mm lug width, which is less common than the 20mm standard. Accurate measurement is essential—position a digital calliper perpendicular to the case lugs to confirm. This specification ensures compatibility with purpose-designed 19mm straps only.

Which strap pairs best with the Oris Big Crown 01 403 7776 4065-07 8 19 06?

We recommend a vegetable-tanned alligator strap, which develops personal patina over time and dialogues with the brushed steel case. Alternatively, smooth taurillon leather for formal elegance, or Cordura NATO for intensive daily wear. Tobacco, formal black, or deep blue tones maintain aesthetic coherence with the watch's austere construction philosophy.

How do you change the strap on the Oris Big Crown 01 403 7776 4065-07 8 19 06?

Strap removal requires a spring bar remover tool. Place the watch on a stable surface, carefully depress the spring bar from one lug side, extract the old strap, and position the new 19mm strap into both lug holes. Ensure both spring bars click fully into place before completing the operation.

Are there aftermarket straps compatible with this Oris model?

Yes, any strap manufactured to 19mm lug width is compatible with the 01 403 7776 4065-07 8 19 06. Milanostraps offers a dedicated collection of artisanal straps in leather, NATO, and rubber, available in multiple finishes and colourways. All are ready to ship and customisable according to your preferences.

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

A quality vegetable-tanned leather strap typically lasts 3-5 years under moderate daily wear before replacement becomes necessary. Durability depends on intensity of use, weather exposure, and regular maintenance. Shell cordovan straps offer superior density and may reach 6-7 years. FKM rubber exhibits comparable lifespan to leather, with degradation driven by UV exposure rather than moisture.

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