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Rado · Oval

Strap for D-Star 200 Grey

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

Lug width

20mm
20 mm strapsAll Rado
Lug width20 mm
Case diameter42 mm
ReferenceR15959103
FamilyOval
MovementETA caliber 2824-2 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

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Straps for the Oval R15959103

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Oval R15959103, seen from the bench

The Rado Oval R15959103 is a Swiss watch icon from the 1960s featuring an elliptical case that breaks from traditional circular design. Powered by an ETA caliber 2824-2 movement with 38-hour power reserve, the 42mm stainless steel case embodies Rado's ergonomic philosophy. The integrated bracelet flows seamlessly with the case, and the dial displays hours, minutes, seconds, and date window with characteristic Rado simplicity. Strap width is exactly 20mm, chosen to maintain the elliptical case proportions and preserve original design fluidity.

Frequently asked questions

What is the lug width of the Rado Oval R15959103?

The Rado Oval R15959103 features a lug width of exactly 20 millimetres. This precise specification allows the strap to integrate seamlessly with the elliptical case's proportions, maintaining the original design's aesthetic harmony. To measure correctly, position a ruler or calliper at the connection point between the strap and case, where the spring bars are located.

Which strap is most suitable for the Rado Oval R15959103?

For the Rado Oval, we recommend three principal options: black alligator for timeless formal elegance; vegetable-tanned calf leather for those who appreciate the patina that develops naturally over time; cotton NATO for versatile sporty use whilst maintaining authority. Vulcanised rubber is ideal for high-humidity environments or aquatic activities. Your choice depends on usage context and personal aesthetic preferences.

How do I change the strap on my Rado Oval?

Changing the Rado Oval R15959103 strap requires minimal tools: a spring bar tool and a flat surface. Position the watch with the lug uppermost, locate the spring bars at the ends, insert the extractor into the slot and press gently to release the spring. Once loosened, the strap detaches easily. Install the new 20mm strap by following the reverse procedure, ensuring the spring bars are fully inserted and locked.

Is a 20mm aftermarket strap compatible with my Rado Oval R15959103?

Yes, any strap with a 20mm lug width is compatible with the Rado Oval R15959103. However, we recommend verifying that the strap's spring bars are appropriately sized for this width: standard spring bars are typically 16mm on 18mm straps and 20mm on 20-22mm straps. Milano Straps offers a dedicated collection of 20mm straps, all verified for compatibility with this model.

How long does a leather strap last on the Rado Oval?

A leather strap's lifespan depends on material quality and frequency of use. A high-grade alligator or shell cordovan strap typically lasts 3-5 years with daily wear; mid-quality calf leather 2-3 years. Patina and wear marks are not defects but acquired character. Factors such as humidity, perspiration and sunlight exposure accelerate ageing. To extend your strap's life, store it in a dry environment and protect it from excessive moisture.

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