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Strap for Oris Classic 01 733 7578 4064

The Oris Classic 01 733 7578 4064 takes 18 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width

18mm
18 mm strapsAll Oris
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Lug width18 mm
Case diameter37 mm
Reference01 733 7578 4064
FamilyClassic
MovementOris caliber Oris 733 Hours, Minutes, Seconds | Date

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

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What I'm asked about the Oris Classic 01 733 7578 4064

What strap size does the Oris Classic 01 733 7578 4064 take?

The Oris Classic 01 733 7578 4064 needs 18 mm between the lugs, usually 16 mm at the buckle. It's the size I've been fitting on it for years.

Can the strap on the Oris Classic 01 733 7578 4064 be changed?

Yes. It has spring bars between the lugs: with the right tool the strap comes off in a minute. If you'd rather not risk a scratch, I do it in the workshop.

Can I put a leather strap on the Oris Classic 01 733 7578 4064?

Yes, in 18 mm leather. On a 37 mm dress watch alligator is the natural choice: thin, elegant, what it was born for.

Which strap do you recommend for the Oris Classic 01 733 7578 4064?

A thin 18 mm alligator. You'll find it ready in the 18 mm collection. If you'd rather have something built on your wrist, the Casati atelier.

Straps for the Classic 01 733 7578 4064

Selected for the 18 mm lug width

All 18 mm straps →

The Classic 01 733 7578 4064, seen from the bench

The Oris Classic reference 01 733 7578 4064 is powered by the Oris 733 calibre with hour, minute, second and date functions. The stainless steel case measures 37mm in diameter with 18mm lugs. The movement offers essential functions in a compact format suitable for medium-sized wrists.

Frequently asked questions

Can I use an aftermarket strap on this watch?

Absolutely. Provided the strap is specifically sized for 18mm lug width, any quality aftermarket strap is fully compatible with the Oris Classic 01 733 7578 4064. Our artisanal Italian straps in alligator, calf and fabric offer superior mechanical and aesthetic compatibility compared to generic mass-produced alternatives.

How long does a leather strap last on the Oris Classic?

A quality leather strap, properly maintained, typically lasts 3–5 years of daily wear, extending to 8–10 years if worn occasionally. Humidity, perspiration, sunlight exposure and frequency of wear all influence longevity. Alligator straps tend to endure longer due to skin density; calf requires greater care but develops a captivating patina. Vulcanised rubber proves more resilient, often lasting 6–7 years before 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

The atelier's website: casatimilano.com