Strap for MoonSwatch Mission to the Super Blue Moonphase

The lug width of the Swatch MoonSwatch SO33N700 is exactly 20 millimetres. This measurement represents the distance between the two lateral lugs of the case and must correspond precisely with the strap width you intend to install. Verify with a digital calliper between the inner lugs of the case to ensure maximum compatibility.

For the SO33N700, the ideal material depends on your intended use and aesthetic preference. Alligator leather in grey-blue or black tones amplifies the lunar atmosphere of the pearl dial. Shell cordovan with vegetable tanning develops a noble patina over time. For sports practicality, NATO straps in cordura or FKM rubber offer impeccable resistance and functionality whilst maintaining coherence with the watch's professional vocation.

To change the strap, obtain a lug punch tool or a small flathead screwdriver. Position the watch with the case facing upwards and locate the two lateral lugs. Gently push the lug pin from one side inward, extracting it completely. The existing strap will be freed. Align the new strap's holes with the case attachments and reintroduce the lug pin. Verify the pin is fully locked in place.

Yes, any strap or bracelet with a 20mm lug width is compatible with the SO33N700. However, it is essential to verify that the new strap's lug width matches the diameter of the case's lug pins, as the bioceramic attachments are particularly delicate. Milano Straps offers a comprehensive selection of 20mm straps specifically tested for compatibility with chronographs in this category.

The lifespan of a leather strap depends on the type of tanning and daily use. A strap in alligator or shell cordovan with vegetable tanning, subjected to normal wear (daily wear, temperate climate), maintains structural integrity between 3 to 5 years. Exposure to direct sunlight, constant humidity, and intensive sporting use reduces this period. Regularly applying quality leather balm would significantly extend durability, preserving the natural patina.