Rado · HyperChrome

Strap for Golden Horse Limited Edition 40

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

Lug width20 mm
Case diameter40 mm
ReferenceR32978112
FamilyHyperChrome
MovementETA caliber 2824-2 Hours, Minutes, Seconds | Date
CaseCeramos, 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 HyperChrome R32978112

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The HyperChrome R32978112, seen from the bench

The Rado HyperChrome reference R32978112 is powered by the automatic ETA 2824-2 caliber with indication of hours, minutes, seconds and date. The watch features the characteristic Rado construction with high-tech materials typical of the Swiss brand. The ETA movement provides a power reserve of 38 hours at a frequency of 28,800 vibrations per hour.

Frequently asked questions

What is the lug width of the Rado HyperChrome R32978112?

The lug width of the Rado HyperChrome R32978112 is 20mm. This measurement represents the internal diameter of the lugs (the mounting points between the case and the strap), and is essential for selecting a compatible strap. To verify it, measure the diameter of the lug pins with a digital calliper: the result should be exactly 20.00mm.

Which strap is most suitable for the Rado HyperChrome R32978112?

The ideal strap depends on usage: for formal settings we recommend alligator or vegetable-tanned leather in black or brown; for daily sport use a durable solid-coloured calf leather; for maximum versatility a grey-dark technical canvas NATO. The FKM rubber strap with titanium deployante is perfect for those seeking maximum durability and outdoor functionality, emphasising the technical spirit of the Ceramos case.

How do I change the strap on the Rado HyperChrome R32978112?

The procedure is standard: use a spring bar tool, gently press towards the case centre to release the pin's tension spring, and extract the pin from the lug. Repeat on the other side. Insert the new strap by aligning it with the holes, reinsert the pins ensuring the tension spring clicks firmly into place. Verify strap closure before wearing the watch.

Is an aftermarket strap compatible with the Rado HyperChrome R32978112?

Yes, any strap with a 20mm lug width is compatible. Milanostraps offers artisanal straps in leather (alligator, calf, shell cordovan), technical fabrics (NATO) and FKM rubber, all expertly crafted to guarantee comfort and longevity. Compatibility is assured by the 20mm measurement, regardless of the strap brand or material.

How long does a leather strap last on the Rado HyperChrome R32978112?

A quality leather strap (calf or alligatore with vegetable tanning) typically lasts 3-5 years of daily wear, with variability depending on wear, moisture exposure and maintenance. Regular cleaning, occasional application of protective balms, and alternation with other straps significantly extend durability. The natural patina that develops during ageing does not reduce functionality; rather, it increases the narrative value of the piece.

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