Strap for Seamaster Aqua Terra 150M Master Co-Axial 34 Stainless Steel / Yellow Gold / Diamond / MOP / Bracelet

The model 231.25.34.20.55.006 features a lug width of exactly 20 millimeters. This measurement is essential for selecting a replacement strap and is calculated by measuring the distance between the inner edge of the upper lug and the inner edge of the lower lug on the case.

For this model, four materials are most appropriate: alligator for visual continuity with the mother-of-pearl dial; vegetable-tanned calf leather for chromatic evolution over time; shell cordovan for tactile density and durability; NATO fabric for a sportive reinterpretation of the collection's nautical vocation.

To replace the strap on an Aqua Terra, use a spring bar tool to apply gentle pressure to one end of the metal bar that secures the strap to the lugs on the case. Once the old strap is freed, insert the new one ensuring the bar clicks into position without forcing it, which could damage the mechanism.

All straps manufactured for the 20mm lug width are compatible with the 231.25.34.20.55.006, regardless of brand origin. Always verify that the strap specifies 20mm in its title or technical specifications, rather than relying on assumed compatibility based on the watch's brand.

A quality artisanal leather strap, with proper care (avoiding prolonged moisture and storing in darkness), lasts an average of 3-5 years with regular daily wear. Vegetable-tanned leather tends to last longer than chrome-tanned leather, especially if subjected to preventive maintenance and conditioning every 18-24 months.