Strap for Seamaster Aqua Terra 150M Hand Wound 49.2 Railmaster Stainless Steel / Blue MOP

The lug width of the Railmaster 2806.72.31 is 18mm. This measurement is the distance between the two lugs (spring bars) that protrude from the case at 12 o'clock and 6 o'clock. Always verify this measurement before ordering a replacement strap.

The choice depends on use: black or brown alligator exudes sober elegance and historical authenticity; vegetable-tanned calf develops genuine patina over time; dark grey or navy NATO maintains the original technical-military spirit; dark FKM rubber amplifies functionality and magnetic resistance. All materials offered by Milano Straps in 18mm size are compatible.

The Railmaster features lugs integrated into the case. To replace the strap, you need to remove the spring bars (or fixed lugs) that connect the old strap to the case lugs. This work requires a spring bar tool and surgical delicacy: it is recommended to be assisted by a professional at Casati Milano to avoid scratches on the case.

All straps with 18mm lug width are compatible. Milano Straps offers a complete range of <a href="https://milanostraps.it/collections/cinturini-orologi-per-misura-ansa-18mm">18mm straps</a> customizable in leather, rubber and fabric, shipped within 48 hours with the possibility of adjustments in-house.

A quality leather strap (alligator or vegetable-tanned calf) has an average lifespan of 3-5 years with daily use, depending on climate, moisture contact and alternating use with other watches. Milano Straps straps are guaranteed for 18 months and can be renewed at Casati Milano at reasonable costs.