Omega Seamaster Planet Ocean Ultra Deep 6000m Co-Axial M
10 % below RRP
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ℹ️ 1-month trend
Price change over the past 30 days. Shows the short-term market movement — relevant if you want to buy or sell soon.
ℹ️ 4-month trend
The central metric behind the momentum score. It filters out short-term swings and shows the true, medium-term market trend of this reference.
ℹ️ Volatility
Annualised price fluctuation. Below 10 % = very stable, 10–20 % = normal, above 20 % = volatile. With high volatility the price can change quickly — in both directions. Be cautious about buying without checking the current price.
ℹ️ Momentum score
ChronoCheck's own indicator from 0 to 100, calculated from the 4-month trend, volatility and market direction.
- Above 60 — Upward trend. Good time to sell, prices are rising.
- 40 – 60 — Neutral. Stable price level, no pressure to act.
- Below 40 — Downward trend. Wait or enter at a good price.
ℹ️ Investment Grade A/B/C/D
ChronoCheck's own rating for each reference. A 0–100 point scale, made up of four weighted components:
- Momentum (40 pts) — trend strength from the momentum score.
- Liquidity (25 pts) — number of active live listings.
- Stability (20 pts) — inverse volatility — the calmer, the better.
- Source robustness (15 pts) — number of independent market sources.
- A · 75+ Trend is right, liquidity good, data broad.
- B · 55–74 Solid, but one component weaker.
- C · 35–54 Average, volatility or market breadth weigh on it.
- D · below 35 Downward or too little data — a collector's piece.
Not investment advice. Pure data analysis from aggregated market sources.
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Technical data
Omega Ref. O21532462106001 — Variants and collector names
Known as: Ultra Deep, PO6000M, Planet Ocean 6K
Movement variants
- 8912 (2022–today) · 25200 bph
Bezel variants
- PO6000M-45.5-Keramik-Orange-Liquidmetal-60min "Orange Ultra Deep Bezel"
Dial variants
- Grey Ultra Deep — SEAMASTER / PLANET OCEAN 6000M / Co-Axial Master Chronometer / date at 6h / Arabic numerals in orange
Crystal variants
- Saphir-gewoelbt-AR-beidseitig-PO6000M-45.5
Bracelet variants
- Kautschuk mit oranger Innenseite Ref. PO6000M-45.5-Rubber-OrangeLining-OmegasteelBuckle-2022
The Omega Planet Ocean 6000M Ultra Deep is not a dive watch for the pool deck. The 45.5mm steel case is rated to 6,000 meters of water resistance — a figure almost no production dive watch on the market can match. Pick up Ref. 215.32.46.21.06.001 and you feel it immediately: the case sits heavy on the wrist, and the orange ceramic bezel with its Liquidmetal markings fits with a precision you'd normally associate with precision engineering.
## The Grey Ocean on Your Wrist
The dial carries the collector name "Grey Ultra Deep" — a grey gradient lacquer with Arabic numerals in orange. The contrast is engineered for legibility under pressure, not for looking sharp in a boardroom. The calibre 8912 holds METAS certification and keeps accuracy to 0 to +5 seconds per day. In the market, that combination of outright function and instant recognizability commands a solid premium — used examples in good condition rarely start below $9,716.
## Who Buys the Ultra Deep — and Why
The buyer pool for this reference is small but deliberate. Anyone choosing the PO6000M is not shopping for a compromise dive watch. The twin crown guards and 6,000-meter depth rating are not marketing copy: the movement's 55-hour power reserve makes Ref. O21532462106001 a long-term technical commitment as much as an aesthetic one. It surfaces on the secondary market far less often than the popular 300M derivatives — which is precisely what keeps its pricing structure intact.
Brand profile: Omega
Omega is the second most counterfeited Swiss watch brand. The Speedmaster and Seamaster are especially targeted. Pay close attention to movement details (Co-Axial) and dial textures.
- Speedmaster: The chronograph reset hand must snap back precisely to 12 o'clock — fakes stop 1–3 seconds off or wobble
- Speedmaster (Hesalite): The Omega logo is micro-laser-etched on the UNDERSIDE of the Hesalite crystal — only visible at a specific angle and in the right light — fakes omit it or place it incorrectly
- Seamaster: The wave-pattern dial must be ENGRAVED (tactile relief) — printed/flat wave lines = fake
- DON (Dot Over Ninety): small dot ABOVE the '90' on the Speedmaster tachymeter bezel — position/size often wrong on fakes
Serial number format: Omega serial number: 8-digit number on the caseback or between the lugs (on older models). Since ~2018 engraved on the caseback at 6 o'clock. Format: purely numeric. Verifiable on the Omega website with an extract from the archive.
Further sources
Buying guide: Omega Seamaster Planet Ocean Ultra Deep 6000m Co-Axial M
Market situation and price range
At $13,842 the Seamaster Planet Ocean Ultra Deep 6000m Co-Axial M sits in a segment where first owners sell regularly — clean pieces with box and papers are not uncommon. The jump from "good" to "very good" usually costs 1,000 to 2,000 euros more at purchase. You get that premium back on resale if the condition is preserved.
What to look out for when buying?
- Authenticity: The serial number and reference on the case must match the papers. A professional authenticity check of the Omega Seamaster Planet Ocean Ultra Deep 6000m Co-Axial M reliably rules out counterfeits.
- Condition: Check scratches on the case and bezel — professional refurbishment can leave traces.
- Service history: A documented service by the manufacturer or a certified watchmaker increases the value.
- Scope of delivery: Box, papers and warranty card make a noticeable price difference on the Seamaster Planet Ocean Ultra Deep 6000m Co-Axial M.
- Independent certification: The CPS-52 standard covers 52 checkpoints — from the serial number and the timing machine to water resistance. The result is secured on the blockchain and can be verified at any time.
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