Oris · Big Crown

Strap for Big Crown Small Second Pointer Day Stainless Steel - Rose Gold / Silver

Takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width22 mm
Case diameter44 mm
Reference01 745 7688 4361-07 5 22 73FC
FamilyBig Crown
MovementOris caliber Oris 745 Hours, Minutes, Small Seconds | Date, Day
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 01 745 7688 4361-07 5 22 73FC

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Big Crown 01 745 7688 4361-07 5 22 73FC, seen from the bench

The Oris Big Crown 01 745 7688 4361-07 5 22 73FC embodies the aeronautical philosophy that has defined the Swiss house since 1938. The stainless steel case measures 44mm with a unidirectional bezel featuring an aviation scale, reflecting the era when precise chronometry was essential for aviation. The internal Oris 745 caliber is automatic and offers hours, minutes, small seconds, and date with day indicator. The 22mm lug width is proportioned to integrate visually with the case mass without appearing slender or disproportionate.

Frequently asked questions

What is the lug width of the Oris Big Crown 01 745 7688 4361-07 5 22 73FC?

The lug width is 22mm. This dimension is specific to the 44mm Big Crown model and represents the optimal balance between visual proportions and constructive compatibility. Always verify by measuring directly from shoulder to shoulder of the spring bar attachment on the case.

Which strap do you recommend for this Big Crown?

It depends on use case. For aviation and dynamic activities: premium NATO in technical fabric. For daytime elegance: alligator or shell cordovan with vegetable tanning and natural ageing patina. For marine or extreme environments: FKM rubber with steel deployante. The brushed steel case pairs seamlessly with all three options.

How do you change the strap on an Oris?

Locate the two metal spring bars at the strap ends. Use a strap remover tool or thin implement to gently compress the spring bar downward, removing it from the lug slot. Insert the new strap aligning its lugs to the case holes, then reinsert the spring bars. Verify the strap is firmly secured before wearing.

Is an aftermarket strap compatible with the Big Crown 01 745 7688 4361-07 5 22 73FC?

Yes, if the lug width is exactly 22mm. Aftermarket straps of artisanal quality guarantee full compatibility provided the width matches. Avoid generic straps: prefer manufacturers who specify tanning method, leather type, weight, and thickness, ensuring constructive coherence with your watch's purpose.

How long does an artisanal leather strap last on an Oris like this?

A quality leather strap with vegetable tanning resists 3–5 years under normal daily wear conditions. Durability depends on usage frequency, sun exposure, humidity, and maintenance. Keep the strap dry after rain, clean monthly with a soft cloth and leather cleaner. The patina forming over time signals natural ageing, not deterioration.

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