Omega · Speedmaster (Non-Moonwatch)
Strap for Speedmaster Racing Co-Axial Chronograph Stainless Steel / Silver / Bracelet
Takes 19 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
The Speedmaster (Non-Moonwatch) 326.30.40.50.02.001 (aka: 32630405002001), seen from the bench
Frequently asked questions
What is the lug width of the Omega Speedmaster (Non-Moonwatch) 326.30.40.50.02.001?
The lug width of model 326.30.40.50.02.001 is 19mm, a historic measurement that characterized vintage Speedmaster watches from the 1970s-80s. This width represents the classic standard for Omega sports chronographs and is compatible with the entire 19mm strap collection from milanostraps.it.
Which strap is best suited for this Omega Speedmaster?
To enhance the classic sporty identity of the Speedmaster 326.30.40.50.02.001, we recommend a Mississippi alligator strap with vegetable tanning (navy blue, deep black, or graphite grey) or vegetable-tanned calf with natural patina (cognac, mahogany brown). Both materials provide contrast with the brushed dial while maintaining a balanced formal-sporty profile.
How do you correctly measure a watch lug width?
To measure lug width, position a digital caliper or ruler between the internal projections of the case where the strap is anchored. The distance between these two points is the lug width. In the case of the Speedmaster 326.30.40.50.02.001, this distance is exactly 19mm. Precise measurement is essential to ensure stable mounting and correct aesthetics.
Can I install an aftermarket strap on my Speedmaster 326.30.40.50.02.001?
Yes, all straps with 19mm lug width are compatible with the Speedmaster 326.30.40.50.02.001. Milanostraps offers handcrafted straps with double-flanged lugs that guarantee precise and reversible fit on the Omega case. It is important to choose a strap with lugs of the correct width to avoid instability.
How long does a leather strap last on a wristwatch?
The lifespan of a leather strap depends on usage, material, and craftsmanship quality. A high-quality alligator strap with vegetable tanning (like those from milanostraps) maintains structure and flexibility for 3-5 years of daily wear. Vegetable-tanned calf tends to age more quickly, developing a fascinating natural patina. The 18-month warranty on Casati Milano straps covers manufacturing defects and guarantees structural reliability.
The next step
The right strap isn't chosen. It is built, together.
From the atelier appointment to delivery, every step is made for those who know that things done well take time. Rare leathers, one piece at a time, eighteen months of warranty.
Request an appointment →Casati Milano · Via XX Settembre 15, Milan · by appointment only

