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Omega · Seamaster Diver 300M

Strap for Omega Seamaster Diver 300M 210.20.42.20.01.001

The Seamaster Diver 300M Master Co-Axial 42 Stainless Steel / Sedna Gold / Black / Bracelet takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width

20mm
20 mm strapsAll Omega
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Lug width20 mm
Case diameter42 mm
Reference210.20.42.20.01.001 (aka: 21020422001001)
FamilySeamaster Diver 300M
MovementOmega caliber 8800 Hours, Minutes, Seconds | Date | Chronometer, Co-Axial escapement
Year2018
CaseCeramic | Ceramic, Sedna Gold, Stainless Steel
Water resistance300 m

Recommended spring bar

Spring bars Omega 20mm — 1.8mm diameter

Technical match for lug width and diameter · lug 20 mm · Ø 1.8 mm

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All Omega spring barsOpen →
Seamaster Diver 300M Master Co-Axial 42 Stainless Steel / Sedna Gold / Black / Bracelet — watch

Straps for the Seamaster Diver 300M 210.20.42.20.01.001

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

What I'm asked about the Omega Seamaster Diver 300M 210.20.42.20.01.001

What strap size does the Omega Seamaster Diver 300M 210.20.42.20.01.001 take?

The Omega Seamaster Diver 300M 210.20.42.20.01.001 needs 20 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 Seamaster Diver 300M 210.20.42.20.01.001 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 Seamaster Diver 300M 210.20.42.20.01.001?

Yes, in 20 mm leather, as long as you don't wear it in the water: leather doesn't like the sea or the pool. For days in the water, rubber. On a 42 mm diver I go for a full-thickness strap, not a thin one.

Which strap do you recommend for the Omega Seamaster Diver 300M 210.20.42.20.01.001?

Rubber if you wear it in the water; otherwise a 20 mm calf strap, full thickness. You'll find it ready in the 20 mm collection. If you'd rather have something built on your wrist, the Casati atelier.

For changing the strap

Classic Strap and Bracelet Removal Tooltwo-tip spring bar tool→Milano Straps Premium Swiss Standard Watch Bucklestang buckle, steel or PVD→Leather Conditioner Milano Strapsnourishes and protects the strap→Casati Milano Rectangular Epsom Leather Travel Case — Brownfor the watch and spare straps→

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

Updated on · by Antonio Zichichi