Rolex · Cellini

Strap for Cellini Time White Gold / White / Alligator Black

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

Lug width20 mm
Case diameter39 mm
Reference50509-0016
FamilyCellini
MovementRolex caliber 3132 Hours, Minutes, Seconds | Chronometer
CaseWhite Gold

Recommended spring bar

Spring bars Rolex Submariner 16613 — 20mm

Technical match for lug width and diameter · lug 20 mm · Ø 1.5 mm

All Rolex spring barsOpen →

Straps for the Cellini 50509-0016

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

Frequently asked questions

What is the lug width of the Rolex Cellini 50509-0016?

The Rolex Cellini 50509-0016 features a lug width of 20 millimetres. This measurement is taken between the two lugs on the case where the strap terminals attach. At 20mm, this is the standard dimension for dress watches in this size category.

Which strap is best suited for the Rolex Cellini 50509-0016?

Alligator leather in black or dark brown with a satin finish is the most fitting choice, as its fine grain and natural suppleness create a natural aesthetic affinity with the white gold case. Shell cordovan also offers superior technical performance, developing an elegant patina over time. Calf leather with vegetable tanning is ideal for those desiring visible aging and a more irregular grain texture.

How do I change the strap on a Rolex Cellini 50509-0016?

To change the strap, use a spring bar tool (a dedicated implement for removing spring bars). Insert the tool into the lateral holes beneath the lugs, compress the internal spring bars, and remove the old strap. Insert the new strap's spring bars into their seats on the case, ensuring they click firmly into place. If inexperienced, it is advisable to consult a qualified watchmaker.

Can I use an aftermarket compatible strap on a Rolex Cellini 50509-0016?

Yes, any strap with a 20mm lug width is technically compatible. However, given the dress-watch nature of this timepiece, it is recommended to select noble materials (alligator, cordovan, quality calf) to avoid compromising the aesthetic integrity of the white gold case. An inferior quality strap would diminish its overall elegance.

How long does a leather strap last on a Rolex Cellini 50509-0016?

Longevity depends on material and maintenance. A quality alligator or shell cordovan strap lasts 4-6 years with moderate wear (worn 2-3 times weekly). Calf leather tends to wear faster (2-4 years) owing to its more delicate grain. Prolonged exposure to humidity, direct sunlight, and water contact significantly reduce lifespan. Regular maintenance—gentle cleaning and annual conditioning—extends useful life considerably.

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