Oris · Classic
Strap for Classic Date Lady 28.5 Stainless Steel / Silver / Bracelet
Takes 14 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
The Classic 01 561 7650 4031-07 8 14 61, seen from the bench
Frequently asked questions
What is the exact lug width of the Oris Classic 01 561 7650 4031-07 8 14 61?
The lug width of the 28.5mm Classic is precisely 14mm, measured internally between the two lugs of the case. This dimension is specific to this model and compatible exclusively with straps designed for 14mm lug width. To verify correct measurement, use a digital calliper or millimetre ruler positioned perpendicularly between the lugs without forcing the existing strap.
Which strap is best suited for the 28.5mm Oris Classic?
Alligator leather with vegetable tanning represents the pinnacle of aesthetic and constructive excellence: the natural texture of the scutes dialogues perfectly with the squared-off case lines and develops a burnished patina over time. Alternatively, vegetable-tanned calf leather with satin grain offers a balance between elegance and daily wearability, whilst shell cordovan echoes 1950s vintage codes, emphasising the model's historical genealogy.
How do I change the strap on a 14mm lug width watch?
Position the watch on a soft pad (face down) to protect the crystal. Use a dual-pronged spring bar tool, insert the tip under the strap's spring bar lug and gently press upward to release the spring from the attachment point. Repeat on the opposite side. When reinstalling the new strap, ensure the spring bar clicks fully into place to prevent accidental dislodgement.
Which aftermarket straps are compatible with 14mm lug width?
All straps sized for 14mm lug width are compatible with your Oris Classic: full-grain leather (alligator, calf, shell cordovan), NATO straps in Cordura or raw canvas, FKM (Viton) rubber straps for aquatic environments. Always verify on the product page that the lug width is exactly 14mm, as even 0.5mm discrepancies can compromise proper fit.
How long does a leather strap last on a daily-wear watch?
A high-quality leather strap (alligator, vegetable-tanned calf, shell cordovan) worn daily typically lasts 5-7 years before requiring replacement. Longevity depends on: frequency of wear, moisture exposure, periodic care (soft cloth cleaning, natural balm treatment every 12-18 months) and tanning quality. Leather develops a fascinating patina over time, recording the personal history of your watch.
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
