Technical Archive

Rolex
Day-Date 36 118235f-0062— lug 20mm

Rolex Day-Date 36 118235f-0062: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Day-Date 36 Everose Fluted / Oyster / Tahitian MOP

Artisanal Note

"This model requires a precise 20mm lug width to preserve the original sartorial balance."

Technical Specifications

Rolex 118235f-0062
Lug Width
20 mm

The essential strap measurement.

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Reference

118235f-0062

Movement

Rolex caliber 3155 Hours, Minutes, Seconds | Date, Day | Chronometer

The Heritage

The Rolex Day-Date 36 Everose Fluted ref. 118235f-0062 is a mechanical dress watch featuring a 36 mm rose gold case with a caliber 3155 movement. The watch displays hours, minutes, day in letters, and month through a sophisticated cam mechanism. It features a 20 mm lug width. The anti-reflective crystal and transparent caseback allow viewing of the mechanical movement, which includes compensation balance wheel, Parachrom hairspring, and anchor escapement.

FAQ

What is the lug width of the Rolex Day-Date 36 118235f-0062?

The lug width of the Rolex Day-Date 36 118235f-0062 is 20 millimetres. This specific dimension corresponds to the distance between the inner lugs of the 36 mm rose gold case. To verify it, position a digital calliper at the point where the strap attaches to the case: you will find exactly 20 mm. This dimensional precision is essential to ensure correct strap adhesion without lateral play.

What is the best strap material for the rose gold Day-Date 36?

For a Day-Date 36 118235f-0062 in rose gold, recommended materials include: alligator (Mississippi or Louisiana) for the grain-to-metal contrast, vegetable-tanned calf leather to enhance the lustre of rose gold, or shell cordovan for those seeking patina over time. If the original rose gold deployant clasp is present, the strap must support this mechanism with precision in the inner keeper. Avoid excessively polished finishes that would compete with the case metal.

How do I change the strap on the Rolex Day-Date 36?

To change the strap, position the watch on a soft, cushioned surface. Locate the spring bars that secure the strap to the case lugs. Using a dedicated spring bar tool, press the pin downwards whilst slightly shifting the strap until the spring bar retracts into its seat. This operation requires care: avoid impacts on the rose gold case. If the strap is equipped with a rose gold 18-carat deployant, ensure that the inner keeper sits precisely in the mechanism without play.

Is an aftermarket strap compatible with the Day-Date 36 118235f-0062?

Yes, any strap with a 20 mm lug width is compatible with the Day-Date 36 118235f-0062, provided it meets the following criteria: appropriate strap thickness (typically 3.5–4 mm at the attachment point), sufficient total length (minimum 120–125 mm for the wrist, 70–75 mm for the fastening), and, if the original rose gold deployant is present, the inner keeper must support this mechanism without play. High-quality bespoke straps offer finishing and durability comparable to genuine Rolex straps.

How long does a leather strap last on a Rolex Day-Date?

The lifespan of a leather strap depends on the material and usage: alligator and shell cordovan offer 3–5 years with moderate daily use, whilst vegetable-tanned calf varies from 2–4 years. Factors affecting longevity include sun exposure, water contact, humidity, and frequency of wear. A vegetable-tanned strap tends to develop an aged patina, whilst alligator maintains a stable grain. Store the strap in a dry environment, avoid prolonged direct sunlight, and consider periodic maintenance to extend its 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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