Oris · Big Crown

Strap for Big Crown Date Swiss Hunter Team PS Edition

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 733 7629 4063-Set LS
FamilyBig Crown
MovementOris caliber Oris 733 hours, minutes, seconds | date
Year2011
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 01 733 7629 4063-Set LS

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Big Crown 01 733 7629 4063-Set LS, seen from the bench

The Oris Big Crown Date Swiss Hunter Team PS Edition model (reference 01 733 7629 4063-Set LS) features a 44mm stainless steel case with an oversized crown originally designed for pilots wearing flight gloves. The automatic Oris caliber 733 movement provides hours, minutes, seconds, and date functions. With a 22mm lug width, this instrument watch from the Big Crown collection offers versatility and compatibility with various strap options while maintaining the precision and reliability characteristic of Oris manufacturing.

Frequently asked questions

What is the lug width of the Oris Big Crown 01 733 7629 4063-Set LS?

The lug width is 22mm. This dimension is standard across numerous 44mm-diameter models and provides access to an extensive international catalogue of aftermarket straps. To verify compatibility, measure the internal distance between the two suspension lugs with a ruler held parallel to the spring bars.

Which strap pairs best with the Oris Big Crown 01 733 7629 4063-Set LS?

On a brushed steel case with a prominent crown, vegetable-tanned leather in tobacco brown accentuates the model's aviation heritage. For formal occasions, polished black alligator confers elegance; for casual and summer use, light caramel leather or a navy cotton NATO offers practical versatility without aesthetic compromise.

How do I change the strap on the Oris Big Crown 01 733 7629 4063-Set LS?

Use a spring bar tool to push the suspension pin upward from below on one side, releasing the internal spring. Repeat on the other side. Insert the new strap by aligning the holes to the lugs, then reinsert the pins until they click into position. Always verify that the strap is securely fastened before wearing the watch.

Which aftermarket straps are compatible with the Oris Big Crown 01 733 7629 4063-Set LS?

Any strap with a 22mm lug width is compatible. Verify that thickness does not exceed 4-5mm in the lug insertion area, as bulky cases may generate irregular pressure. Milano Straps offers a dedicated selection of 22mm straps in leather, alligator, NATO and rubber, all tested on similar models.

How long does a leather strap last on an Oris Big Crown 01 733 7629 4063-Set LS?

A vegetable-tanned strap executed with traditional methods lasts 4-6 years under moderate daily use. Constant exposure to moisture, tropical climates or manual labour reduces longevity to 2-3 years. Alligators withstand 7-10 years. Periodic care with natural oils and protection from prolonged water exposure significantly extends useful 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