Rado · Oval

Strap for D-Star Ceramos Automatic

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

Lug width20 mm
Case diameter38 mm
ReferenceR15946153
FamilyOval
MovementETA caliber 2824-2 hours, minutes, seconds | date
CaseCermet, Stainless Steel

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

Straps for the Oval R15946153

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Oval R15946153, seen from the bench

The Oval represents one of the shape proposals from the Swiss manufacturer Rado, characterized by an oval case that stands out from the traditional circular forms. The timepiece mounts the automatic ETA 2824-2 caliber with indication of hours, minutes, seconds and date. The reference R15946153 maintains the typical technical characteristics of the Swiss movement with a power reserve of approximately 38 hours.

Frequently asked questions

What is the lug width of the Rado Oval R15946153?

The lug width of the Rado Oval R15946153 is 20 millimetres. This dimension is critical when sourcing an aftermarket strap: all straps with a 20mm <a href="/pages/termine-glossario/misura-ansa">lug width</a> will fit the watch lugs perfectly. Always verify this specification before purchasing to avoid incompatibility issues.

Which strap do you recommend for the Rado Oval R15946153?

To accentuate the modernist character and experimental geometry of the Rado Oval, we recommend a neutral-hued <a href="/pages/termine-glossario/alligatore">alligator</a> leather strap—black, dark brown, or anthracite grey—to emphasise the formal purity of the cermet case. A refined alternative is aged <a href="/pages/termine-glossario/shell-cordovan">shell cordovan</a>, whose natural patina contrasts elegantly with the satin cermet. For a contemporary approach, a heavy canvas NATO or premium rubber strap mirrors the radical intent of the original design.

How do I change the strap on the Rado Oval R15946153?

Strap replacement requires a dedicated springbar extraction tool. Position the watch with lugs facing upward, locate the micro metal pin traversing each lug, insert the tool tip into the fine groove and apply gentle lateral pressure to release the internal spring tension. Once extracted, the original strap releases effortlessly. Proceed with care to avoid scratching the cermet case: whilst ceramic is durable, its satin finish deserves respect. Align the new strap with the lug holes and reinsert the pin with fluid movement.

Are there verified aftermarket straps compatible with the Rado Oval R15946153?

Yes, any strap with a 20mm lug width will be compatible with your R15946153. On milanostraps.it you will find a curated selection of <a href="https://milanostraps.it/collections/cinturini-orologi-per-misura-ansa-20mm">20mm straps</a> in noble materials: vegetable-tanned leather, <a href="/pages/termine-glossario/alligatore">alligator</a>, <a href="/pages/termine-glossario/shell-cordovan">shell cordovan</a>, NATO textiles and technical rubbers. Each strap is crafted to specification with optional <a href="/pages/termine-glossario/deployante">deployante</a> buckle to ensure optimal fit and security.

How long does a leather strap last on the Rado Oval R15946153?

Leather strap longevity depends on intensity of wear and tanning quality. A strap in vegetable-tanned or premium <a href="/pages/termine-glossario/shell-cordovan">shell cordovan</a> leather, with moderate use (3-4 days weekly), will deliver 3-5 years of conscious wear, during which patina deepens and the material softens naturally. Lower-grade chrome-tanned leather straps deteriorate more rapidly, especially if exposed to humidity. Regular maintenance—gentle cleaning and occasional treatment with natural waxes—significantly extends lifespan.

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