2025 Omega Aqua Terra "Small Seconds" Complete Set!

Omega Seamaster Aqua Terra 150M Small Seconds — Ref. 220.12.41.21.03.005

IN PRODUCTION
Most Aqua Terra buyers default to the standard central-seconds configuration — blue dial on bracelet, silver dial on bracelet — and those are fine watches. But this reference does something more interesting. The Cal. 8916 moves the seconds hand off center and into its own opaline subdial at 6 o'clock, paired with the date window, which fundamentally changes the visual balance of the face. It's a quieter, more composed layout that reads closer to a dress watch than a sport watch, and the sun-brushed blue-grey dial color reinforces that — it's not the saturated ocean blue of the .03.001 or the cool silver of the .02 variants but something that shifts between slate and steel depending on the light. Rhodium-plated hands and indexes keep the palette restrained where the blackened furniture on other ATs pushes sportier.
The rubber strap is the other half of the equation. Structured blue with grey stitching and a stainless steel integration link into the case, it drops the weight to roughly 107g — nearly a third lighter than the same watch on bracelet — while keeping the 150m water resistance and the screw-in crown. You get all the mechanical credibility of the Master Chronometer platform (full METAS certification, 15,000-gauss magnetic resistance, 60-hour reserve) in a package that wears noticeably lighter and dressier than the bracelet-mounted AT most people picture when they hear the name.
Key Details

• Case diameter: 41 mm
• Case thickness: 13.20 mm
• Lug-to-lug: 47.90 mm
• Lug width: 20 mm
• Weight: ~107 g on rubber strap
• Case material: 316L stainless steel, symmetrical case design, wave-edged caseback
• Crystal: domed sapphire, anti-reflective treatment both sides
• Water resistance: 150 m / 15 bar
• Caseback: transparent/exhibition (sapphire)
• Bezel: fixed, stainless steel, brushed and polished
• Crown: screw-in
• Dial: sun-brushed blue-grey, horizontal "teak" pattern
• Hands/indexes: rhodium-plated, filled with white Super-LumiNova
• Minute/seconds tracks: sandblasted on both main dial and subdial
• Small seconds: opaline subdial with rhodium-plated ring at 6 o'clock
• Date: 6 o'clock (integrated with subdial area)
• Caliber: Omega 8916 (in-house, small seconds derivative of Cal. 8900)
• Movement type: self-winding automatic, Co-Axial escapement
• Frequency: 25,200 vph / 3.5 Hz
• Jewels: 38
• Power reserve: 60 hours, dual mainspring barrels in series
• Balance: free sprung, silicon Si14 balance spring
• Anti-magnetic: >15,000 gauss
• Certification: COSC Chronometer + METAS Master Chronometer
• Strap: structured blue rubber with grey stitching, stainless steel integration link
• Clasp: foldover with push-button release, stainless steel