Omega · Speedmaster Chronoscope

Strap for Omega Speedmaster Chronoscope 329.30.43.51.02.001

The Speedmaster Chronoscope Master Chronometer Stainless Steel / Silver / Bracelet takes 21 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

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Lug width21 mm
Case diameter43 mm
Reference329.30.43.51.02.001 (aka: 32930435102001)
FamilySpeedmaster Chronoscope
MovementOmega caliber 9908 Hours, Minutes, Small seconds | Chronograph, Column wheel | Chronometer, Co-Axial escapement
Year2021
CaseStainless Steel
Water resistance50 m

Recommended spring bar

Omega Spring Bars 21mm — Single Diameter

Technical match for lug width and diameter · lug 21 mm · Ø 1.8 mm

All Omega spring barsOpen →
Speedmaster Chronoscope Master Chronometer Stainless Steel / Silver / Bracelet — watch

What I'm asked about the Omega Speedmaster Chronoscope 329.30.43.51.02.001

What strap size does the Omega Speedmaster Chronoscope 329.30.43.51.02.001 take?

The Omega Speedmaster Chronoscope 329.30.43.51.02.001 needs 21 mm between the lugs, usually 18 mm at the buckle. It's the size I've been fitting on it for years.

Can the strap on the Omega Speedmaster Chronoscope 329.30.43.51.02.001 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 Chronoscope 329.30.43.51.02.001?

Yes, in 21 mm leather. On a 43 mm chronograph I like box calf: it holds its shape and carries a substantial case.

Which strap do you recommend for the Omega Speedmaster Chronoscope 329.30.43.51.02.001?

A 21 mm box calf. You'll find it ready in the 21 mm collection. If you'd rather have something built on your wrist, the Casati atelier.

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.

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Casati Milano · Via XX Settembre 15, Milan · by appointment only

The atelier's website: casatimilano.com