Rolex
Sky-Dweller 336238-0002— lug 21mm

The lug width of the Rolex Sky-Dweller 336238-0002 is 21 millimetres. This measurement is determined by the distance between the two suspension bars of the case and represents the precise space into which the strap must fit. To measure the lug width correctly, use a digital calliper positioned perpendicularly between the two inner bars, avoiding pressure that could distort the reading.

For the yellow gold 18-karat Sky-Dweller 336238-0002, materials that amplify the warm tone of the case are recommended. Natural alligator with golden patina represents the ultimate luxury choice. Vegetable-tanned calf offers colour versatility: cognac, dark brown, and wine tones create compelling dialogues with the yellow gold. For daily wear or humid climates, natural rubber or technical fabric maintains the watch's dignity while ensuring practicality.

Strap replacement requires a specific tool called a spring bar tool. Position the watch on a stable surface, press the spring bar button at the first lug, releasing the bar. Remove the old strap and completely extract the bar. Insert the bar into the new strap, align it with the case's suspension lugs, and press until you hear the click of engagement. Repeat for the other lug. If you prefer to avoid the risk, Casati Milano offers a replacement service with warranty coverage.

Yes, any strap with a standard 21-millimetre lug width is compatible with the Sky-Dweller 336238-0002. However, to ensure construction quality, finishing, and longevity, we recommend artisanal straps from certified European manufacturers. Milano Straps' straps are handcrafted with selected leather—alligator, shell cordovan, vegetable-tanned calf—and include an 18-month warranty against manufacturing defects.

Lifespan depends on the material and usage. A quality alligator or shell cordovan strap, worn regularly with appropriate maintenance, lasts between 8 and 12 years. Vegetable-tanned calf sits between 5 and 8 years. The patina that develops during this timeframe represents natural leather ageing, desirable from an aesthetic standpoint. We recommend rotating multiple straps to distribute wear and applying protective balm every 6-8 months.