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Omega · Constellation

Strap for Omega Constellation 131.20.39.20.02.001

The Constellation Master Chronometer 39 Stainless Steel / Sedna Gold / Silver / Bracelet takes 24 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

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  • 12-month warranty on manufacturing defects
  • Hand-stitched in Milan

Lug width

24mm
24 mm strapsAll Omega
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Lug width24 mm
Case diameter39 mm
Reference131.20.39.20.02.001
FamilyConstellation
MovementOmega caliber 8800 Hours, Minutes, Seconds | Date | Chronometer, Co-Axial escapement
Year2019
CaseSedna Gold, Stainless Steel
Water resistance50 m

Spring bar

Spring bars for Omega

The right category for this model · choose the 24 mm size

Standard spring bar · length 24 mm · Ø 1.8 mm double flange · industry standard, no brand part number

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Constellation Master Chronometer 39 Stainless Steel / Sedna Gold / Silver / Bracelet — watch

Your watch with our straps

Constellation 131.20.39.20.02.001 with Vintage Brown Calfskin Strap — Natural Patina
Constellation 131.20.39.20.02.001 with Brown Italian Leather Strap
Constellation 131.20.39.20.02.001 with Black Saffiano Strap Ecru Stitching

Calf, Brown

Vintage Brown Calfskin Strap — Natural Patina

€98

★ 4.9 · 11

See the strapAll 24 mm straps

1 / 47

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

What length do I need?

Measure your wrist with a tailor's tape or a piece of string, comfortably snug.

Wrist circumferenceLength (long side / short side)
15.0–16.4 cm120 / 70 mm
16.5–17.8 cm125 / 75 mm
17.9–19.0 cm130 / 80 mm
19.1–20.3 cm135 / 85 mm
20.4–21.6 cm140 / 85 mm
21.7–22.9 cm145 / 90 mm

The ready-to-wear strap is 115 × 75 mm. For a smaller or larger wrist I make it in the right length: order your length.

What I'm asked about the Omega Constellation 131.20.39.20.02.001

What strap size does the Omega Constellation 131.20.39.20.02.001 take?

The Omega Constellation 131.20.39.20.02.001 needs 24 mm between the lugs, usually 20 mm at the buckle. It's the size I've been fitting on it for years.

Can the strap on the Omega Constellation 131.20.39.20.02.001 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 Constellation 131.20.39.20.02.001?

Yes, in 24 mm leather. On a 39 mm case a calf strap works every day; if you want something more, alligator.

Which strap do you recommend for the Omega Constellation 131.20.39.20.02.001?

A 24 mm calf strap, for every day. You'll find it ready in the 24 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