Oris · Classic

Strap for Classic Date Lady 28.5 Stainless Steel / Blue / 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 7718 4075-07 8 14 10
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 7718 4075-07 8 14 10, seen from the bench

The Oris Classic features the Oris 561 caliber with hour, minute, second and date indication. The case has 14mm lugs. The movement offers the essential time functions in a three-hand plus date configuration.

Frequently asked questions

What is the lug width of the Oris Classic 01 561 7718 4075-07 8 14 10?

The lug width of the Oris Classic 01 561 7718 4075-07 8 14 10 is 14 millimetres. This measurement refers to the internal distance between the lugs and represents the proportionate standard for watches with contained dimensions. To verify with precision, measure with a digital calliper between the internal lugs positioned symmetrically on the case.

What is the best strap for the Oris Classic 28.5mm watch with 14mm lug width?

There is no universal choice, but three options respond to different profiles. Alligator leather in traditional tanning develops natural patina and dialogues perfectly with brushed steel. Black calf with vegetable tanning offers absolute formality and chromatic continuity. A grey NATO ensures aesthetic understatement whilst allowing daily versatility. The choice depends on predominant use: alligator for formal contexts, calf for minimal aesthetics, NATO for versatility.

How do you change a strap on a watch with 14mm lug width without damaging the case?

Use a dedicated tool (spring bar tool) to compress the pin slightly from one side whilst extracting it. Do not use sharp objects such as needles or knives, which risk scratching the case. Position the watch on a soft illuminated surface. Insert the new strap by aligning the holes with the pin and compress until it clicks. The operation requires patience and delicacy, not force. If uncertain, entrust the change to a professional.

Which aftermarket straps are compatible with the 14mm lug width measurement?

Any strap manufactured for 14mm lug width is compatible with the Oris Classic. Always verify the specification in the product description before purchase. Handcrafted straps from Milano Straps are realised to measure for this width with maximum geometric precision. Choose among materials: leather (alligator, calf, shell cordovan), textiles (NATO, canvas), elastomers (FKM). Absolutely avoid straps with 16mm or 12mm lugs, which would cause anomalous movement or compression.

How long does a natural leather strap last on a daily-wear watch?

A leather strap with vegetable or traditional tanning, worn daily without excessive moisture exposure, maintains structural functionality for 3–5 years. The leather develops chromatic patina after 12–18 months of constant use, creating aesthetic uniqueness. Longevity depends on maintenance (periodic cleaning, avoiding prolonged soaking) and craftsmanship quality. Alligator leather typically lasts longer than calf. FKM rubber, in humid environments, maintains integrity for up to 5–7 years. Replacement becomes necessary when the strap shows cracks in the leather or loss of elasticity in the rubber.

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