Omega Aqua Terra 150M 41mm Blue
220.12.41.21.03.009
- Case
- 41mm
- MSRP
- $7,100
- Movement
- Automatic
- Reserve
- Not listed
VS
Building 1v1 comparison
Building 1v1 comparison
1v1 Watch Comparison
A focused side-by-side page for specs, fit, movement details, review notes, and enthusiast context.
220.12.41.21.03.009
SLGA009
Pair Review
Built from the saved specs and wearability notes for these two watches, then weighed against enthusiast priorities like fit, movement quality, practicality, finishing, value, and collector appeal.
Where it wins
Collectors who want a sportier daily watch with stronger utility features.
Where it wins
Enthusiasts who prioritize dial artistry, finishing, and a calmer luxury presence.
The Grand Seiko uses the automatic 9RA2 with a listed 120-hour power reserve and an accuracy claim of +/-10 seconds per month (+/-0.5 second per day), which is exceptional on paper and strongly supports its appeal to movement-focused collectors. The Omega uses the automatic caliber 8900, and while no power reserve or accuracy claim is listed here, the provided notes specifically describe it as METAS-certified, highly anti-magnetic, beautifully finished, and equipped with a jumping-hour function that is especially useful for travelers. In technical terms, the Omega has more explicitly listed functional sophistication, while the Grand Seiko has the stronger quantified precision and endurance. Serviceability and long-term reliability are not specifically listed for either, so they cannot be compared directly. Winner: Tie
The Grand Seiko is 40mm wide, 11.8mm thick, and 47.9mm lug-to-lug, with a listed weight of 176g and a 22mm bracelet taper to 20mm. Those dimensions, plus the wearability note describing it as refined, balanced, and exceptionally well finished, suggest a substantial but controlled wrist presence with a more polished feel. The Omega is 41mm wide, 13.2mm thick, and also 47.9mm lug-to-lug, but weight is not listed. Its wearability note says it wears noticeably larger than the 38mm Aqua Terra models and has a sporty, lighter-feeling personality on the rubber strap, though some enthusiasts may find the 41mm size and extra thickness less ideal than smaller Aqua Terras. The Grand Seiko should feel slimmer and more elegant on wrist, while the Omega will feel sportier and more contemporary but also thicker. For smaller wrists or anyone sensitive to case height, the Grand Seiko has the clearer advantage. Winner: Grand Seiko SLGA009
The Grand Seiko offers a white birch textured dial that is praised for changing character in different light, a date display, anti-reflective sapphire crystal, 100m water resistance, and a steel bracelet with folding clasp and push-button release. It has no listed lume, and the bracelet/clasp are noted as the weakest part of the watch despite the overall excellence. The Omega brings a blue teak-pattern dial, indexed layout, Super-LumiNova, 150m water resistance, sapphire crystal, a date display, and a rubber strap with folding clasp. Its wearability notes also emphasize excellent lume, a more athletic and contemporary feel, and strong versatility for business-casual and active use, though the bright yellow accents and rubber strap reduce some of its all-purpose neutrality. For pure everyday practicality, the Omega is more obviously equipped for legibility, lume, and water-based wear; the Grand Seiko is more refined but a little less overtly utility-focused. Winner: Omega Aqua Terra 150M 41mm Blue
The Grand Seiko carries the higher MSRP at $9,800 versus the Omega at $7,100, and the data supports that premium through its more distinctive dial work, Spring Drive movement, and elevated finishing reputation in the wearability notes. The Omega counters with a lower MSRP while offering a highly regarded caliber, METAS-related movement description in the notes, 150m water resistance, and a more casual strap-based package that may suit a broader range of daily use. Brand and heritage signals are stronger in different ways: Grand Seiko’s appeal is rooted in craftsmanship and understated luxury, while Omega’s has a more explicit sports-watch and event-linked character through the Olympic/pole-vault connection noted in the data. Ownership practicality favors the Omega slightly on price and sporty versatility, while collector appeal favors the Grand Seiko for its unique dial artistry and Spring Drive identity. Winner: Tie
Compared
220.12.41.21.03.009
SLGA009