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Omega · Speedmaster (Non-Moonwatch)

Strap for Omega Speedmaster (Non-Moonwatch) 324.30.38.50.01.001

The Speedmaster Co-Axial 38 Stainless Steel / Black / Bracelet takes 18 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width

18mm
18 mm strapsAll Omega
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Lug width18 mm
Case diameter38 mm
Reference324.30.38.50.01.001 (aka: 32430385001001)
FamilySpeedmaster (Non-Moonwatch)
MovementOmega caliber 3330 Hours, Minutes, Small seconds | Date | Chronograph, Column wheel | Co-Axial escapement
Year2017
CaseStainless Steel

Recommended spring bar

Spring bars Omega 18mm — single diameter

Technical match for lug width and diameter · lug 18 mm · Ø 1.8 mm

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Straps for the Speedmaster (Non-Moonwatch) 324.30.38.50.01.001

Selected for the 18 mm lug width

All 18 mm straps →

What I'm asked about the Omega Speedmaster (Non-Moonwatch) 324.30.38.50.01.001

What strap size does the Omega Speedmaster (Non-Moonwatch) 324.30.38.50.01.001 take?

The Omega Speedmaster (Non-Moonwatch) 324.30.38.50.01.001 needs 18 mm between the lugs, usually 16 mm at the buckle. It's the size I've been fitting on it for years.

Can the strap on the Omega Speedmaster (Non-Moonwatch) 324.30.38.50.01.001 be changed?

Yes. It has spring bars between the lugs: with the right tool the strap comes off in a minute. If you'd rather not risk a scratch, I do it in the workshop.

Can I put a leather strap on the Omega Speedmaster (Non-Moonwatch) 324.30.38.50.01.001?

Yes, in 18 mm leather. On a 38 mm chronograph I like box calf: it holds its shape and carries a substantial case.

Which strap do you recommend for the Omega Speedmaster (Non-Moonwatch) 324.30.38.50.01.001?

A 18 mm box calf. You'll find it ready in the 18 mm collection. If you'd rather have something built on your wrist, the Casati atelier.

The Speedmaster (Non-Moonwatch) 324.30.38.50.01.001, seen from the bench

The Speedmaster Co-Axial reference 324.30.38.50.01.001 features Omega's caliber 3330 column-wheel chronograph movement with Co-Axial escapement certified METAS. The stainless steel case measures 38mm in diameter and 14.25mm thick, with a lug width of 18mm. This model represents a modern evolution of the iconic Speedmaster line, designed for contemporary wrist proportions while maintaining the classic chronographic DNA that defines the collection.

Frequently asked questions

What is the best strap for the Speedmaster 324.30.38.50.01.001?

Glossy black alligator offers maximum aesthetic contrast with the brushed stainless steel case, creating a technical-formal synergy. Winning alternative: vegetable-tanned calf in dark brown or burgundy for a patina that evolves with use. Shell cordovan remains the rare but superior choice in tactile density.

Is an 18mm aftermarket strap compatible with the 324.30.38.50.01.001?

Yes, any strap with an 18mm lug width is compatible. However, verify the total length (case width + strap length) to ensure it fits your wrist circumference. Custom straps from milanostraps.it are personalizable in size.

How long does a natural leather strap last on a sports watch like the Speedmaster?

A quality leather strap with vegetable tanning or alligator leather lasts 4–6 years with daily use. Brushed leather with cooked linen thread ages by developing patina, not degradation. Wear factors include: prolonged sun exposure, acidic sweat, stagnant moisture. Casati Milano guarantees 18 months on bespoke straps, covering manufacturing defects.

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

The atelier's website: casatimilano.com