Oris · Big Crown

Strap for Oris Big Crown 01 745 7688 4361

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
FamilyBig Crown
MovementOris caliber Oris 745 Hours, Minutes, Small seconds | Date, Day

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

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Big Crown 01 745 7688 4361, seen from the bench

The Oris Big Crown features a stainless steel case with a diameter of 44mm and 22mm lugs. It is equipped with the Oris 745 caliber offering hour, minute, small second, date, and day of the week indications. The reference 01 745 7688 4361 maintains the typical Big Crown collection characteristics with a oversized crown.

Frequently asked questions

What is the exact lug width of the Oris Big Crown 01 745 7688 4361?

The Oris Big Crown 01 745 7688 4361 features a lug width of 22mm, measured horizontally between the case lugs. This width is standard and fixed for this model, meaning any replacement strap must be precisely calibrated to 22mm for correct and stable insertion into the spring bar slots.

Which strap is recommended to enhance the Big Crown 01 745 7688 4361?

For the Big Crown 01 745 7688 4361, a NATO canvas strap in military green represents the most historically conscious choice, directly referencing military aviation pilots. Alternatively, a black alligator in vegetable tanning offers formal elegance, while a warm chocolate brown calf guarantees modern everyday versatility.

How do I change the strap on the Oris Big Crown 01 745 7688 4361?

To change the strap, use a spring bar tool to release the elastic pins that held the previous strap. Remove the old strap from the lugs, then insert the new 22mm strap into the same slots, ensuring the pins click into place correctly. This operation is recommended at an authorised retailer to prevent damage.

Can I use any 22mm aftermarket strap on an Oris watch with 22mm lugs?

Yes, any 22mm aftermarket strap will fit the Big Crown 01 745 7688 4361 since the lug width matches. However, beyond dimensional compatibility, it is important to evaluate aesthetics and build quality: a high-quality artisanal leather strap enhances the timepiece's value and character, whereas an economical solution might betray its Swiss pedigree.

What is the average lifespan of an artisanal leather strap on the Big Crown 01 745 7688 4361?

A high-quality artisanal leather strap, properly maintained, lasts on average 3-5 years of daily use. Longevity depends on the tanning method (vegetable versus industrial), leather type (alligator, calf, shell cordovan), exposure to moisture, and maintenance frequency. Proper drying after water exposure and periodic cleaning with specific products significantly extend the strap's service life.

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