Omega Seamaster Planet Ocean 600M Grey
215.32.44.21.01.002
- Case
- 43.5mm
- MSRP
- $8,000
- Movement
- Automatic
- Reserve
- 60h
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.
215.32.44.21.01.002
M7943A1A0NU-0002
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 the more technical and purpose-built dive watch
Where it wins
Enthusiasts who want the better balanced large diver with a slimmer case and stronger everyday wearability
The Tudor uses the MT5601-U automatic caliber with 70 hours of power reserve, COSC certification, METAS certification, and 15,000 gauss magnetic resistance, making it the more thoroughly specified movement on paper. The Omega 8900 is also automatic and METAS-certified, with 39 jewels, 60 hours of power reserve, 15,000 gauss resistance, and a jumping-hour hand that adds real traveler-friendly utility. Tudor has the edge in stated power reserve and dual certification, while Omega brings a more established high-end movement architecture and a practical complication. Serviceability and long-term reliability are not explicitly listed, so they cannot be judged beyond the technical specs provided. Winner: Tudor Black Bay 68
The Tudor is 43mm wide and 13.6mm thick, but its lug-to-lug is not yet listed, so the exact wrist footprint is incomplete. The Omega is slightly larger at 43.5mm, but the more important difference is thickness: 16.4mm with a 49.8mm lug-to-lug, which will make it wear significantly taller and more assertive. The Tudor wearability summary describes it as substantial but surprisingly balanced, with a strong wrist presence that remains controlled thanks to the thinner case and improved T-fit bracelet. The Omega wearability summary describes it as large, unapologetically substantial, and potentially top-heavy on smaller wrists, even if the rubber strap improves comfort. For smaller to medium wrists, the Tudor is the easier fit; for those who specifically want a big, dramatic diver, the Omega delivers more presence. Winner: Tudor Black Bay 68
The Tudor offers a sun-brushed silver dial with applied hour markers, a domed sapphire crystal, 200m water resistance, and a 3-link steel bracelet with T-fit adjustment, which makes it feel refined, legible, and relatively versatile for day-to-day use. The Omega adds a grey dial, applied indexes, a unidirectional ceramic bezel, sapphire crystal, 600m water resistance, and a rubber strap with pin buckle, giving it stronger dive functionality and a more tactical, purpose-built character. Omega is the more capable sports watch on paper, especially for travel and serious aquatic use, and its jump-hour hand is a genuine practical plus. Tudor is the more broadly practical everyday piece because it is slimmer, easier to wear, and likely more adaptable across settings. Winner: Tudor Black Bay 68
The Tudor’s $5,075 MSRP is materially lower than the Omega’s $8,000 MSRP, while also delivering METAS certification, COSC certification, 15000 gauss resistance, and a modernized bracelet with T-fit. The Omega brings stronger dive specifications, a more elaborate movement, ceramic bezel technology, and the prestige signal of the Seamaster Planet Ocean line, but it asks for a meaningful premium. Brand and heritage signals in the data favor both: Tudor carries the Black Bay identity and a restrained modern tool-watch aesthetic, while Omega brings a highly established professional dive-watch lineage. On ownership practicality, Tudor appears easier to live with because of the lower price and more balanced dimensions; Omega feels more special and more technically ambitious, but also more committed to a specific use case. Winner: Tudor Black Bay 68
Compared
215.32.44.21.01.002
M7943A1A0NU-0002