Oris · Classic

Strap for Classic Date 42 Stainless Steel - Rose Gold / Silver / Bracelet

Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width20 mm
Case diameter42 mm
Reference01 733 7594 4361-07 8 20 63
FamilyClassic
MovementOris caliber Oris 733 Hours, Minutes, Seconds | Date
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

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

The Classic 01 733 7594 4361-07 8 20 63, seen from the bench

The Oris Classic 01 733 7594 4361-07 8 20 63 is a stainless steel watch with a 42 mm case diameter, powered by the automatic Oris 733 calibre movement with 28,800 vibrations per hour and approximately 38 hours of power reserve. The model features a 20 mm lug width and maintains the independent Swiss watchmaking philosophy characteristic of Oris manufacture since 1904, combining functional design with reliable mechanical construction.

Frequently asked questions

What is the lug width of the Oris Classic 01 733 7594 4361-07 8 20 63?

The lug width of this model is 20 millimetres. Measure the distance between the inner sides of the lugs or the diameter of the spring bars to verify compatibility. It is a common but precise dimension: a 20mm strap must sit perfectly, with no play or forcing.

Which strap would you recommend for the Oris Classic 01 733 7594 4361-07 8 20 63?

It depends on your dial and intended use. For elegance, we recommend vegetable-tanned leather (dark brown or black) or shell cordovan, which age naturally. For versatility, ballistic NATO canvas ensures easy changing. For sports contexts, fine-textured rubber offers thermal resistance and water repellency.

How do I change the strap on the Oris Classic 01 733 7594 4361-07 8 20 63?

Remove the watch from your wrist. Use a spring bar tool to compress the two pins that hold the strap to the lugs. Extract the old strap from the pins, then thread the new strap through the lugs and release the tool: the pins will click into position. Verify that the strap is secure before wearing the watch.

Are there certified aftermarket straps for the model 01 733 7594 4361-07 8 20 63?

Yes. Any 20mm lug-width strap is compatible, provided the spring bars are the same size (typically 1.50mm diameter). Always verify the specification of your Oris with the authorised retailer or manual to avoid measurement errors. Bespoke artisanal straps guarantee superior build quality compared to mass-produced alternatives.

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

Durability depends on material and maintenance. A vegetable-tanned leather strap, properly cared for (protected from excessive humidity, not exposed to direct sunlight for prolonged periods), can last 3–5 years with daily wear. Shell cordovan, due to its structural density, reaches 5–8 years. Ballistic NATO canvas easily exceeds 5–7 years. Treated rubber maintains elasticity for 3–4 years before becoming prone to brittleness.

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