Strap for Speedmaster Professional Missions Apollo 11

The lug width of the Speedmaster Moonwatch 3597.15.00 is 20 millimeters. This measurement is integral to the case design and must be respected exactly when selecting a replacement strap. You can verify it by measuring between the internal horizontal pins with a digital caliper.

Alligator represents the classic luxury choice for the Moonwatch: lightweight, elegant, and durable. Shell cordovan creates a fascinating patina over time. Vegetable-tanned calf leather is versatile. NATO is the most historically faithful choice to the watch's original purpose. FKM rubber is ideal if you frequently use the chronograph in water.

The Moonwatch uses straight horizontal pins to secure the strap to the lugs. Using a spring bar tool, apply pressure from bottom to top on one side of the pin to release the spring, then gently remove the old strap. Insert the new strap by threading the pin into the compressed spring until it clicks into place. Repeat on the other side.

No. The strap must be specifically designed for a 20mm lug width. Generic or universal straps may not fit perfectly to the lugs, compromising aesthetics and security. On milanostraps.it you will find artisanal straps created specifically for this measurement.

Durability depends on the material and usage. Alligator and shell cordovan guarantee 3-5 years of daily wear without loss of functionality. Vegetable-tanned calf leather evolves aesthetically during the initial 2-3 years, maintaining structural integrity beyond 5 years. Artisanal straps from Casati Milano include an 18-month warranty.