Omega · Constellation

Strap for Constellation Quartz 27 Brushed Stainless Steel / Yellow Gold / Champagne

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

Lug width18 mm
Case diameter27 mm
Reference123.20.27.60.08.001 (aka: 12320276008001)
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 →

The Constellation 123.20.27.60.08.001 (aka: 12320276008001), seen from the bench

The Constellation represents one of Omega's historic collections, characterized by the distinctive case design with griffes. This model features the Omega 1376 quartz caliber with hour and minute indications. The reference 123.20.27.60.08.001 identifies a version with a 27mm case diameter.

Frequently asked questions

What is the lug width of the Omega Constellation 123.20.27.60.08.001?

The Omega Constellation 123.20.27.60.08.001 features a <a href="/pages/termine-glossario/misura-ansa">lug width</a> of 18mm, standard for women's watches of this size. This specific measurement is the most important technical data for selecting compatible straps without forcing them onto the case.

What is the best strap for the Omega Constellation 123.20.27.60.08.001?

For this model we recommend <a href="/pages/termine-glossario/alligatore">alligator</a> in warm tones (cognac, honey brown) to enhance the reflections of yellow gold, or <a href="/pages/termine-glossario/shell-cordovan">shell cordovan</a> with vegetable tanning that develops an aristocratic patina over time. Versatile alternatives include vegetable-tanned calf in black or tactical NATO for everyday versatility.

How do you change the strap on an Omega Constellation?

The Constellation 123.20.27.60.08.001 uses standard bayonet bars or tension springs. Position the watch face down, insert a small-diameter tool (spring bar tool) into the lateral notches under the lug, press gently to release the spring, and extract the bar. Install the new strap by reversing the procedure. To avoid scratches on the delicate case, we recommend professional assistance.

Can I use an aftermarket compatible strap on this Omega?

Yes, provided that the <a href="/pages/termine-glossario/misura-ansa">lug width</a> is exactly 18mm. High-quality straps in <a href="/pages/termine-glossario/concia-vegetale">vegetable tanning</a> or <a href="pages/termine-glossario/alligatore">alligator</a> give the Constellation refined personality without construction compromises. Our straps guarantee perfect fit with the original Omega lugs.

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

A fine leather strap (alligator, shell cordovan with vegetable tanning) lasts 4-8 years with proper maintenance: avoid visible dirt, do not immerse in fresh water for extended periods, condition every 18 months with specific creams. A vegetable-tanned calf strap reaches 3-5 years of daily wear. Casati Milano guarantees 18 months on bespoke straps, with reconditioning available.

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