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Omega · Constellation

Strap for Constellation Master Chronometer 36 Stainless Steel / Sedna / Brown / Bracelet

Takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width

22mm
22 mm strapsAll Omega
Lug width22 mm
Case diameter36 mm
Reference131.20.36.20.13.001 (aka: 13120362013001)
FamilyConstellation
MovementOmega caliber 8800 hours, minutes, seconds | date | chronometer, co-Axial escapement
Year2019
CaseSedna Gold, Stainless Steel

Recommended spring bar

Spring bars Omega 22mm — 1.8mm diameter

Technical match for lug width and diameter · lug 22 mm · Ø 1.8 mm

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All Omega spring barsOpen →

Straps for the Constellation 131.20.36.20.13.001 (aka: 13120362013001)

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Constellation 131.20.36.20.13.001 (aka: 13120362013001), seen from the bench

The Constellation represents one of Omega's historic collections, characterized by the automatic caliber 8800 movement with co-axial escapement and chronometer certification. The model features hour, minute, second and date functions. The lugs measure 22.20mm in width.

Frequently asked questions

What lug width does the Omega Constellation 131.20.36.20.13.001 have?

The Omega Constellation 131.20.36.20.13.001 features a <a href="/pages/termine-glossario/misura-ansa">lug width</a> of 22mm. This specification is essential when purchasing a strap, as it ensures perfect compatibility with the case lugs. The measurement refers to the distance between the pins where the strap anchors to the case.

What is the best strap for the Omega Constellation 131.20.36.20.13.001?

Given the two-tone nature of the case—Sedna Gold and stainless steel—we recommend straps in <a href="/pages/termine-glossario/alligatore">alligator</a> leather in cognac or dark brown tones, which enhance the golden hue of the rose gold, or in vegetable-tanned black calf leather for a formal look. Both materials respect the elegance of the dial and the dignity of the Co-Axial construction of this Omega.

How do I change the strap on my Omega Constellation 131.20.36.20.13.001?

To change the strap, you need to remove the spring bars from the lugs using a dedicated tool or by consulting a professional watchmaker. Carefully insert a flat screwdriver into the side hole of the lug, gently compress the spring, and extract the pin. Next, insert the new strap by aligning it perfectly and reinsert the spring bar. If you prefer to avoid any risk, Casati Milano's atelier can perform the replacement with utmost precision.

Can I use an aftermarket strap from another brand on my Constellation 131.20.36.20.13.001?

Yes, as long as the strap has the same <a href="/pages/termine-glossario/misura-ansa">lug width</a> of 22mm. It is essential to verify this compatibility before purchase. Artisanal straps from Milano Straps are specifically crafted to accommodate standard spring bars of this width, ensuring secure fitting and a proportion perfectly suited to your Omega case.

How long does a leather strap last on an Omega Constellation?

A <a href="/pages/termine-glossario/concia-vegetale">vegetable-tanned</a> leather strap of artisanal quality, such as those from Milano Straps, has an average lifespan of 3-5 years with ordinary maintenance (gentle cleaning, drying after moisture exposure). <a href="/pages/termine-glossario/shell-cordovan">Shell cordovan</a> offers greater longevity, up to 7-8 years. Alligator, being more resilient, can exceed 10 years. Factors such as frequency of use, perspiration, and climate conditions affect overall durability.

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