Omega Aqua Terra 150M 38mm Black Lacquer
220.10.38.20.01.004
- Case
- 38mm
- MSRP
- $7,400
- Movement
- Automatic
- Reserve
- 55h
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.
220.10.38.20.01.004
SBGA211
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
Enthusiasts who want the strongest all-around daily wearer with better technical spec density
Where it wins
Buyers who value Spring Drive smoothness and subtle movement character over conventional automatic specs
Omega’s caliber 8800 is a conventional automatic movement with a 55-hour power reserve, 3.5 Hz / 25,200 vph frequency, METAS certification, and 15,000-gauss magnetic resistance. That gives it a clearly stronger technical profile on paper for anti-magnetism and verified performance, plus a transparent caseback for movement viewing. The Grand Seiko 9R65 offers a longer 72-hour power reserve and a published accuracy claim of ±15 seconds per month, but the key appeal is Spring Drive’s hybrid architecture and its smooth seconds-hand sweep rather than traditional mechanical specs. In serviceability and long-term reliability, the provided data does not specify enough to call a definitive winner, though both appear engineered for serious daily use. Winner: Omega Aqua Terra 150M 38mm Black Lacquer
The Omega is the smaller and more compact watch at 38mm with a 12.26mm thickness, 45.1mm lug-to-lug, 133g weight, and a 19mm lug width. The supplied wearability note describes it as an especially versatile sweet spot that wears refined and compact without feeling small, and it is particularly well suited to medium or smaller wrists. The Grand Seiko Snowflake is larger at 41mm with a 49mm lug-to-lug, 100g weight, and a 20mm tapering titanium bracelet; the case thickness is listed as 49mm in the provided data, which appears inconsistent, so it should be treated carefully. Its wearability note emphasizes excellent lightness and comfort thanks to high-intensity titanium, but also says the longer lug-to-lug and broad dial opening can make it feel larger on smaller wrists. On pure dimensions and versatility, the Omega is the easier fit for a wider range of wrists, while the Grand Seiko’s lighter feel is its biggest comfort advantage. Winner: Omega Aqua Terra 150M 38mm Black Lacquer
The Omega has the more versatile everyday spec sheet: black lacquer dial, white Super-LumiNova, domed sapphire crystal with anti-reflective coating on both sides, screw-in crown, 150m water resistance, and a steel bracelet with a butterfly clasp and comfort setting. Its METAS-certified caliber and 15,000-gauss magnetic resistance also make it especially practical around modern electronics. The Grand Seiko offers a highly legible and artistic snowflake-textured dial, dual-curved sapphire with inner AR coating, 100m water resistance, a screw-down crown, and a lightweight titanium bracelet with folding clasp. However, lume is not listed for the Snowflake, so its low-light utility cannot be credited here. The Omega is the more capable travel/sports/daily hybrid, while the Grand Seiko is the more refined and dial-centric everyday watch. Winner: Omega Aqua Terra 150M 38mm Black Lacquer
The Grand Seiko has the lower listed MSRP at $6,900 versus $7,400 for the Omega, while also bringing a Spring Drive movement, a 72-hour power reserve, and a highly distinctive dial design that strongly signals collector interest. The Omega counters with stronger water resistance, METAS certification, and much higher stated magnetic resistance, which are meaningful ownership advantages for someone who wants fewer compromises in mixed daily use. Both brands carry strong heritage signals in the data, but the Grand Seiko feels more singular and identity-driven, while the Omega reads as the more broadly engineered luxury sports watch. Maintenance expectations are not detailed, so they cannot be compared directly. On listed value alone, Grand Seiko has the edge on price and uniqueness, while Omega leads on practical capability. Winner: Grand Seiko Snowflake
Compared
220.10.38.20.01.004
SBGA211