Omega · Constellation

Strap for Constellation Quartz 24 Polished Stainless Steel / Yellow Gold / Silver

Takes 18 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width18 mm
Case diameter24 mm
Reference123.20.24.60.02.004 (aka: 12320246002004)
FamilyConstellation
MovementOmega caliber 1376 hours, minutes
CaseYellow Gold, Stainless Steel

Recommended spring bar

Spring bars Omega 18mm — single diameter

Technical match for lug width and diameter · lug 18 mm · Ø 1.8 mm

All Omega spring barsOpen →

Straps for the Constellation 123.20.24.60.02.004 (aka: 12320246002004)

Selected for the 18 mm lug width

All 18 mm straps →

The Constellation 123.20.24.60.02.004 (aka: 12320246002004), seen from the bench

The Constellation is one of Omega's historic collections, characterized by the distinctive case design with claws. This model features the Omega 1376 quartz caliber with hour and minute indications. The case presents the classic Constellation profile with the crown integrated into the design.

Frequently asked questions

What is the lug width of the Omega Constellation 123.20.24.60.02.004?

The lug width is exactly 18.00mm. This dimension is specific to this ladies' version of the Constellation and is incompatible with 20mm or 22mm straps. Measuring correctly is essential: place a flexible ruler between the two lateral lugs and read the value.

Which strap should I pair with the Constellation 123.20.24.60.02.004?

The ideal strap depends on your personal style. For a classic look, black alligator with vegetable tanning repels light and enhances the yellow gold case. Cognac or burgundy calf adds warmth and develops patina over time. Black rubber is a contemporary and practical choice, perfect for daily wear without losing elegance.

How do I change the strap on my Omega Constellation?

The strap is secured with two spring bars. Use a dedicated tool to compress the spring bar and slide it out from the case lugs. Then insert the new strap by aligning the holes and reinserting the bar, ensuring it is fully locked. Never force it to avoid damaging the lugs.

Can I use an aftermarket strap on an Omega Constellation 123.20.24.60.02.004?

Yes, provided it is the correct lug width (18mm) and of construction quality appropriate for a luxury watch. Handcrafted straps in alligator, calf, or shell cordovan are compatible and often enhance the aesthetic experience, allowing color customization and thread choice compared to the original strap.

How long does a leather strap last on my Constellation?

A quality leather strap, with handcrafted stitching and vegetable tanning, typically lasts 3-5 years with moderate daily use. Lifespan depends on sun exposure, humidity, and care. Periodic stitching inspection and the use of natural protective creams significantly extend the strap's life.

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