Rolex
Day-Date 36 118238-0200— lug 20mm

The Rolex Day-Date 36 reference 118238-0200 features a lug width of precisely 20 millimetres. This specification is unique to the Day-Date 36 models of this generation and must be measured perpendicularly across the case lugs. A compatible strap must have exactly 20 mm width at the attachment points.

For the Day-Date 36 in yellow gold (reference 118238-0200), natural alligator is the most traditional and refined choice, particularly in black or cognac tones. Shell cordovan represents the pinnacle for longevity and patina development over time. Vegetable-tanned calfskin offers practicality and structure while maintaining formal elegance. All these materials enhance the richness of the gold case without competing visually.

Changing the strap on a Day-Date 36 118238-0200 requires a spring bar tool to extract the metal pins from the case lugs. It is advisable to consult a professional watchmaker or artisanal atelier such as Casati Milano to prevent damage to the case. The process is straightforward but requires precision and proper tools.

Yes, the Day-Date 36 118238-0200 accepts aftermarket straps with a 20 mm width specification. It is essential to verify that the strap is measured exactly at 20 mm at the lug attachment points. A premium artisanal strap from Casati Milano guarantees full compatibility and significantly enhances the tactile and aesthetic experience of the timepiece.

A high-quality leather strap, such as those crafted from natural alligator or shell cordovan, typically lasts 3-5 years with daily use and proper maintenance. Alligator is more delicate than shell cordovan, which can last 5-7 years. Longevity depends on sun exposure, humidity levels and frequency of use. Casati Milano provides an 18-month warranty on manufacturing defects and offers maintenance advice to extend the strap's lifespan.