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Omega · Trésor

Strap for Omega Trésor 435.18.40.21.02.002

The De Ville Trésor Master Chronometer Small Seconds Stainless Steel / Diamond / Silver 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 diameter40 mm
Reference435.18.40.21.02.002 (aka: 43518402102002)
FamilyTrésor
MovementOmega caliber 8926 Hours, Minutes, Small seconds | Chronometer, Co-Axial escapement
Year2021
CaseStainless Steel

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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De Ville Trésor Master Chronometer Small Seconds Stainless Steel / Diamond / Silver — watch

Your watch with our straps

Trésor 435.18.40.21.02.002 with Grand Cavalier Leather Strap Orange
Trésor 435.18.40.21.02.002 with Vintage Brown Calfskin Strap — Natural Patina
Trésor 435.18.40.21.02.002 with Brown Italian Leather Strap

Calf, Orange

Grand Cavalier Leather Strap Orange

€120

★ 4.9 · 12

See the strapAll 20 mm straps

1 / 83

Real photos of the strap and the case. No generated images.

What I'm asked about the Omega Trésor 435.18.40.21.02.002

What strap size does the Omega Trésor 435.18.40.21.02.002 take?

The Omega Trésor 435.18.40.21.02.002 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 Trésor 435.18.40.21.02.002 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 Trésor 435.18.40.21.02.002?

Yes, in 20 mm leather. On a 40 mm dress watch alligator is the natural choice: thin, elegant, what it was born for.

Which strap do you recommend for the Omega Trésor 435.18.40.21.02.002?

A thin 20 mm alligator. 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.

Request an appointment →

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

The atelier's website: casatimilano.com

Updated on · by Antonio Zichichi