Oris · Big Crown
Strap for Big Crown Small Second Pointer Day Stainless Steel / Silver
Takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
Straps for the Big Crown 01 645 7629 4061-07 5 22 76FC
Selected for the 22 mm lug width · workshop selection
Grey Hammered Leather Strap with Ecru Stitching€98
Natural Calfskin Rally Strap€110
Vintage Brown Calfskin Strap — Natural Patina€98
Natural Calfskin NATO Strap€80
Black Saffiano Rubber Strap€105
The Big Crown 01 645 7629 4061-07 5 22 76FC, seen from the bench
Frequently asked questions
What is the lug width of the Oris Big Crown 01 645 7629 4061-07 5 22 76FC?
The lug width is 22mm. This dimension is specific to large-diameter sports models such as the 44mm Big Crown, ensuring visual proportion and comfort. Always verify the measurement with a calliper positioned between the two strap spring bars.
What is the best strap option for the Oris Big Crown 01 645 7629 4061-07 5 22 76FC?
Tuscan leather in vegetable tanning is the most authentic choice for this aviation timepiece: it develops a rich patina over time and honours the watch's historical era. Alternatively, Mexican alligator in cognac offers understated elegance, or a NATO in polyamide for those prioritising practicality and moisture resistance.
How do you change the strap on an Oris Big Crown?
Use a spring bar removal tool or a 1.2–1.5mm diameter pin. Position the watch on a stable surface, gently press the spring bar down on one side, then extract the pin. Repeat on the other side. Insert the new strap by aligning the holes with the spring bars, then compress until the retention click is felt.
Are there certified compatible aftermarket straps for the Oris Big Crown 01 645 7629 4061-07 5 22 76FC?
Yes, 22mm-compatible straps are available from Milano Straps: Tuscan vegetable-tanned leather, tanned calfskin, alligator, vulcanised rubber, and polyamide NATO straps. All are designed for 22mm lugs and ready to ship.
How long does a leather strap last on a watch like the Big Crown?
A hand-crafted vegetable-tanned leather strap can last 3–5 years with moderate daily use. Durability depends on exposure to moisture, perspiration, and UV rays. With periodic care—gentle cleaning, air drying, annual conditioning—lifespan extends significantly, and the leather develops a desirable patina.
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.
Request an appointment →Casati Milano · Via XX Settembre 15, Milan · by appointment only
