Oris · Big Crown

Strap for Big Crown Complication Stainless Steel - Rose Gold / Silver

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 581 7566 4361-07 5 19 52
FamilyBig Crown
MovementOris caliber Oris 581 Hours, Minutes, Seconds, Additional 24 Hour Hand (adjustable) | Date, Day | Moonphase
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 01 581 7566 4361-07 5 19 52, seen from the bench

The Oris Big Crown is powered by the Oris 581 automatic caliber with hour, minute, second and adjustable GMT hand indications, as well as date, day and moon phase. The movement offers a complete display of astronomical and dual time zone functions. The case features 19mm lugs for the strap.

Frequently asked questions

What is the lug width of the Oris Big Crown 01 581 7566 4361-07 5 19 52?

The lug width of this model is 19 mm, measured as the internal distance between the two lugs that hold the strap. This is a rare dimension that automatically excludes generic straps, ensuring a precise fit without lateral play. Always verify this measurement before purchasing an aftermarket strap.

What is the best strap for the Oris Big Crown 01 581 7566 4361-07 5 19 52?

Choice depends on daily use. For lasting elegance, we recommend vegetable-tanned alligator or shell cordovan, which develop rich patina over time. For toolwatch practicality, an artisanal cotton-polyester NATO. For aquatic environments, FKM rubber resistant to oils. The brushed steel case naturally complements warm tones: dark coffee, cognac, burgundy.

How do I change the strap on the Oris Big Crown 01 581 7566 4361-07 5 19 52?

The spring bars holding the strap to the lugs must be removed with a specialist tool (spring bar tool or dedicated screwdriver). Position the watch on a soft cushion, identify the spring direction, and gently pull to release the bar. Once the lugs are free, insert the new strap and reinsert the bars from the opposite direction until they click into place. If uncertain, consult a qualified watchmaker.

Is an aftermarket strap compatible with the Oris Big Crown 01 581 7566 4361-07 5 19 52?

Yes, provided it is constructed with an exact 19 mm lug width. Milano Straps catalogues straps certified for this dimension, verifying each batch during production. Avoid suppliers that do not specify lug width or offer generic 'compatible' straps: even a 0.5 mm undersizing compromises ergonomics and structural integrity.

How long does a leather strap last on the Oris Big Crown 01 581 7566 4361-07 5 19 52?

An artisanal leather strap with vegetable tanning or shell cordovan typically lasts 3–7 years depending on daily use, climate conditions and maintenance. Vegetable-tanned alligator tends towards 5–7 years; shell cordovan towards 6–8 years due to superior fibre density. A cotton-polyester NATO strap lasts beyond 10 years. FKM rubber, if protected from direct UV exposure, maintains elasticity for 5–6 years.

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