Omega Seamaster Aqua Terra, 39.2mm, Calibre 2500, Swiss Automatic, COSC-Certified Chronometer, 2503.80

The Omega Seamaster Aqua Terra Co-Axial 2503.80.00 brings a restrained, versatile character to the Seamaster collection. Its blue dial, applied hour markers and date window at 3 o’clock sit within a 39.2mm stainless steel case, offering balanced proportions for business and casual wear. A smooth bezel and stainless steel bracelet complete the clean design that distinguishes the first-generation Aqua Terra. Inside is the Omega Calibre 2500, a self-winding, chronometer-certified movement featuring the brand’s Co-Axial escapement. An important calibre in Omega’s adoption of Co-Axial technology, it uses an escapement designed to reduce sliding friction. Visible through the transparent caseback, the movement provides a 48-hour power reserve and a practical everyday date display. Specifications Brand: Omega Model: Seamaster Aqua Terra Co-Axial Reference: 2503.80.00 Movement: Omega Calibre 2500, automatic, chronometer-certified, Co-Axial escapement Case Material: Stainless steel Dial: Blue Case Size: 39.2mm Crystal: Domed scratch-resistant sapphire crystal Caseback: Transparent sapphire crystal Bracelet / Strap: Stainless steel bracelet Wrist Size: Fits up to 20.5cm Water Resistance: 150m – not guaranteed due to age Power Reserve: 48 hours Production Period / Year: First-generation Aqua Terra, introduced in 2002 Functions: Hours, minutes, central seconds and date Accessories: Box and papers Condition: A few traces of usage, some scratches can be seen but overall, in very good condition Availability: Global Concierge Sourcing Service Key Features Co-Axial Movement — The chronometer-certified Calibre 2500 represents an important stage in Omega’s mechanical movement development, combining automatic winding with a practical date display. First-Generation Design — A blue dial, applied markers and smooth steel bezel give this early Aqua Terra its distinctive, understated appearance. 39.2mm Case — Balanced proportions offer an adaptable fit, with enough presence for casual wear and a restrained profile for smarter occasions. Sapphire Crystal and Exhibition Caseback — A scratch-resistant sapphire crystal protects the dial, while the transparent sapphire back reveals the movement. Box and Papers — Accompanied by box and papers, adding appeal for an enthusiast seeking a well-presented example of the early Aqua Terra. For someone seeking one watch to wear across different settings, this Aqua Terra combines a considered design with a significant Omega movement. Its blue dial and balanced proportions make it an appealing introduction to the collection or a distinctive addition for an established enthusiast. Style is Timeless