Strap for Speedmaster First Omega in Space Master Chronometer Stainless Steel / Blue-Grey / Bracelet

The lug width is 19 mm, corresponding to the distance between the horizontal lugs of the case. This dimension is specific to reference 310.30.40.50.06.001 and ensures compatibility with all straps manufactured to this standard width.

Alligator or vegetable-tanned calf leather are the most appropriate choices aligned with the model's historical heritage. For a technical approach faithful to the space mission, the black nylon NATO strap remains the correct solution. FKM rubber is ideal for those seeking contemporary practicality without aesthetic compromise.

Use a spring bar tool to remove the horizontal lugs that secure the strap to the case. Insert the tool tip into one of the holes located at the extremities of the lug width, push inward and gently lift the lug. Repeat on the other side. For installation of the new strap, reverse the procedure, ensuring that the lug is fully seated and does not protrude from the case.

Yes, provided that the strap is manufactured with a 19 mm lug width. High-quality artisanal straps, such as those offered by milanostraps.it, are fully compatible with your watch and allow customization in leather, stitching thread and decorations according to your preferences.

A high-quality leather strap, with vegetable tanning and artisanal construction, typically lasts 3-5 years of moderate daily wear. Durability depends on exposure to moisture, direct sunlight and frequency of use. Atelier Casati Milano offers an 18-month warranty on custom-made straps and can perform repairs and refinishing over time.