Strap for Sky-Dweller Yellow Gold / Black / Oyster

The lug width of the Sky-Dweller 336938-0002 is 21mm. This measurement represents the distance between the two lugs of the case where the strap is inserted. Always verify this dimension before purchasing a strap, as an incorrect lug width will not fit the watch properly.

For a yellow gold 18k Sky-Dweller, alligator leather with vegetable tanning is the most coherent aesthetic choice. The leather develops a honey-like patina over time, mirroring the natural aging of gold. Alternatively, box calf offers a more formal structure and superior resistance to humidity, ideal for professional settings.

To change the strap, you will need a spring bar remover tool. Insert the tool gently under the spring bar at the end of the lug, apply light pressure to compress the internal spring, and slide the bar out of its seat. To install the new strap, align the spring bars with the lug holes and press until you hear a click.

Any strap with a 21mm lug width is compatible with the Sky-Dweller 336938-0002, provided it does not exceed 4mm in thickness to avoid friction with the case. Recommended materials include alligator, calf leather, shell cordovan, and fabric nato. Ensure the strap features robust spring bars made of stainless steel or annealed steel.

The lifespan of a leather strap depends on usage frequency and environmental conditions. A vegetable-tanned alligator strap, worn daily, can last 3-5 years before replacement is necessary. Box calf, being denser, may last 4-7 years. Exposure to direct sunlight, chlorine, and perspiration accelerates aging. Periodic maintenance with neutral balms can extend the strap's useful life.