Rolex
Day-Date 36 118238-0116— lug 20mm

The lug width of the Rolex Day-Date 36 118238-0116 is precisely 20mm. This measurement represents the internal distance between the two spring bar pins protruding from the case and determines compatibility with straps. It is essential to measure correctly, excluding the pin diameter itself, to avoid ordering errors.

For the Day-Date 36 118238-0116 in yellow gold, black or burgundy alligator represents the formal choice par excellence. Dark brown shell cordovan is an alternative of extraordinary quality with remarkable patina development. Cognac vegetable-tanned calf offers sophisticated dynamics for less formal contexts. We advise against rubber or NATO straps for this model, which requires absolute aesthetic sobriety.

Changing the strap on the Day-Date 36 118238-0116 requires a professional spring bar tool to extract the pins from their seats. It is advisable to have the operation performed by a qualified watchmaker to avoid damage to the gold case or contact points. Casati Milano offers professional mounting service for artisanal 20mm straps.

Yes, any strap with a 20mm lug width is technically compatible with the Day-Date 36 118238-0116. However, technical compatibility does not guarantee aesthetic appropriateness: the model requires sober materials and tones. Always verify the precise measurement with your watchmaker before ordering to exclude constructive variations.

The lifespan of a leather strap depends on the material: alligator and shell cordovan resist 4-6 years with daily use thanks to fibre density; smooth calf has longevity of 2-3 years in intensive contexts. Casati Milano provides an 18-month guarantee on manufacturing defects and advises periodic leather conditioning to preserve elasticity.