Oris · Classic

Strap for Classic Date Lady 28.5 Stainless Steel / Black / Bracelet

Takes 14 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width14 mm
Case diameter29 mm
Reference01 561 7650 4034-07 8 14 61
FamilyClassic
MovementOris caliber Oris 561 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 01 561 7650 4034-07 8 14 61, seen from the bench

The Oris Classic is powered by the Oris 561 caliber with hour, minute, second and date functions. The model features 14mm lugs for the strap. The reference 01 561 7650 4034-07 8 14 61 identifies this variant of the Classic collection from the Swiss brand.

Frequently asked questions

What is the lug width of the Oris Classic 01 561 7650 4034-07 8 14 61?

The lug width is 14mm, measured between the centres of the two attachment holes. This dimension is specific to this 28.5mm case model and ensures balanced proportions between the case and strap. To verify the measurement, use a digital calliper positioned perpendicular to the spring bars.

What is the best strap for the Oris Classic 28.5mm?

The choice depends on usage and aesthetic preference. Alligator represents the highest prestige option with patina that evolves over time. Leather with vegetable tanning offers accessible elegance and natural ageing towards honey tones. Heavy cotton NATO is ideal for casual use and sports. FKM rubber is recommended for humid and aquatic environments. All are compatible with the 14mm lug width.

How do you change the strap on an Oris Classic?

Use a spring bar tool (a dedicated instrument with two forked ends). Position the watch on a stable surface, insert the tip of the tool into the lower hole of the lug, gently lift the primary spring bar. Once extracted, the strap detaches easily. Repeat on the other side. To install the new strap, align the holes and reinsert the spring bars until they click into position.

Which aftermarket straps are compatible with reference 01 561 7650 4034-07 8 14 61?

All straps with a 14mm lug width are compatible. Milano Straps offers a specialised collection in alligator leather, vegetable-tanned calf, NATO, and structured rubber, all available in 14mm width. Compatibility is guaranteed by the standardisation of spring bars; always verify that the strap is explicitly designed for the 14mm lug width.

How long does a leather strap last on a watch worn daily?

A quality leather strap (alligator, vegetable-tanned calf) typically lasts 3–5 years with daily use and regular maintenance. Durability depends on tanning method, ambient humidity, skin pH, and cleaning frequency. Avoid prolonged exposure to direct sunlight and excessive moisture. A heavy cotton NATO strap lasts 5–7 years, whilst FKM rubber resists degradation for 4–6 years before showing structural wear.

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