The Omega Constellation is a luxury watch collection from Omega that is known for its elegance and precision. The following are some of the specifications of the Omega Constellation:

Case: Available in sizes ranging from 28mm to 41mm, made of stainless steel, gold, or a combination of both

Bezel: Available in stainless steel, gold, or diamond-set

Dial: Available in various colors and finishes, such as silver, black, and mother-of-pearl

Movement: Automatic or quartz, depending on the model

Water resistance: Varies depending on the model, but some models are rated for up to 100 meters (330 feet)

Strap: Available in stainless steel, gold, leather, or a combination of materials

Additional features: Date display, chronometer certification, and some models feature a co-axial escapement for enhanced precision

The Omega Constellation collection offers a variety of models for both men and women, each with its unique features and style. It is one of the most popular collections from Omega and has been around for over 60 years.