Oris · Classic
Strap for Classic Date Lady 28.5 Stainless Steel / Silver
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 5 14 10, seen from the bench
Frequently asked questions
What is the lug width of the Oris Classic 01 561 7650 4031-07 5 14 10?
The lug width of this model is 14 millimetres. This is a non-standard measurement, typical of compact-sized dress watches designed for smaller wrists. To verify the compatibility of an aftermarket strap, measure the distance between the two lug shoulders at the strap attachment point using a digital calliper.
Which strap would you recommend for the Oris Classic 28.5mm?
It depends on intended usage. For formal contexts, we suggest alligator leather with vegetable tanning or shell cordovan in black. For smart-casual everyday wear, cognac-brown box calf offers elegance and durability. For summer practicality, a polyamide NATO or FKM rubber maintains perfect visual proportions on this reduced diameter.
How do you change the strap on this Oris?
The Oris Classic uses spring bars for strap attachment to the lugs. Use a dedicated strap remover tool or small flat screwdriver to depress the internal spring, releasing the bar. Insert the new spring bar into the lug seats, ensuring perfect seating. Always work with precision on a soft surface to avoid damage to the case.
Is a generic aftermarket strap in 14mm compatible with this model?
No. Although the lug width is 14mm, full compatibility requires additional verification: segment length (distance from attachment hole to terminal edge), type of spring bars used, and lug attachment geometry. We recommend straps specifically tested on this reference to avoid positioning irregularities or risks of case drop.
What is the average lifespan of a leather strap for this timepiece?
A quality leather strap, with ordinary care (occasional cleaning with damp cloth, natural drying, away from heat sources), maintains functionality and aesthetics for 3–5 years of daily wear. The speed of aging depends on solar exposure, ambient humidity, frequency of wear, and tanning method used. Shell cordovan ages more slowly than standard calf leather.
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
