Omega · Speedmaster (Non-Moonwatch)
Strap for Speedmaster Racing Master Co-Axial Stainless Steel / Grey / Bracelet
Takes 21 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
Recommended spring bar
Straps for the Speedmaster (Non-Moonwatch) 329.30.44.51.06.001 (aka: 32930445106001)
Selected for the 21 mm lug width · workshop selection
Matte Black Alligator Strap€195
Matte Dark Gray Alligator Strap€195
Millennium Green Alligator Strap€195
Grey Hammered Leather Strap with Ecru Stitching€98
Hammered Calfskin Strap Light Blue€98
The Speedmaster (Non-Moonwatch) 329.30.44.51.06.001 (aka: 32930445106001), seen from the bench
Frequently asked questions
What is the lug width of the Omega Speedmaster (Non-Moonwatch) 329.30.44.51.06.001?
The <a href="/pages/termine-glossario/misura-ansa">lug width</a> is 21 mm, a characteristic width for chronographs from Omega's new generation sports line. This dimension requires specific straps and is not interchangeable with earlier Speedmaster family models.
Which type of strap is most suitable for the Omega Speedmaster 329.30.44.51.06.001?
Vegetable-tanned Nile <a href="/pages/termine-glossario/alligatore">alligator</a> represents the most refined tonal choice, thanks to its natural grain that balances the austerity of steel. For a sports profile, grained calf or a high-density cotton NATO transfers the watch to everyday contexts without loss of authority.
How do you correctly measure the lug width for the Speedmaster 329.30.44.51.06.001?
Measure the linear distance between the two lugs of the case (where the strap anchors). For the 329.30.44.51.06.001 this measurement is 21 mm. Also verify the case height at the lugs: this chronograph requires a strap that compensates for visual volume without appearing undersized.
Is it possible to use an aftermarket strap for the Omega Speedmaster 329.30.44.51.06.001?
Yes. Compatible <a href="https://milanostraps.it/collections/cinturini-orologi-per-misura-ansa-21mm">21mm straps</a> online are manufactured according to the same construction standards (total length, lug placement, thickness). Verify that the <a href="/pages/termine-glossario/deployante">deployment clasp</a>, if present, does not interfere with the case.
How long does a natural leather strap last on an Omega Speedmaster 329.30.44.51.06.001?
A high-quality <a href="/pages/termine-glossario/concia-vegetale">vegetable-tanned</a> strap, subject to periodic maintenance and seasonal rotation, maintains structural and aesthetic integrity for 4-6 years. Constant exposure to humidity and temperature fluctuations accelerates fiber aging. Atelier Casati Milano provides an 18-month warranty on all straps manufactured.
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