Omega Seamaster Aqua Terra 150M 41mm Stainless Steel
18 % 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. O22010412102004 — Variants and collector names
Known as: AT150M Small Seconds, Aqua Terra SS 41, AT41 Small Seconds
Production phases and changes
- 2021: Launch of the AT 150M Small Seconds Collection — 19 new references incl. 220.10.41.21.02.004
- 2023: Rubber strap references with 220.12 prefix introduced in parallel
Movement variants
- 8916 (?–today) · 25200 bph
- 8917 (?–today) · 25200 bph
Bezel variants
- Fixed-Steel-Polished-AT41
Dial variants
- AT41-Black-Lacquered-Teak-SmallSeconds-01 — Horizontal teak pattern lacquered, small seconds + date at 6H, rhodium-colored hands and diamond-cut Omega logo
- AT41-Blue-Teak-SmallSeconds-03 — Horizontal teak pattern, small seconds + date at 6H, rhodium-colored hands and indices
- AT41-Silver-Teak-SmallSeconds-02B — Horizontal teak pattern brushed, small seconds + date at 6H, opaline subdial with BLACK ring, blackened hands and indices
- AT41-SilverBlue-Teak-SmallSeconds-02 — Horizontal teak pattern brushed, sandblasted minute/second track, small seconds + date at 6H integrated opaline subdial with rhodium-colored ring, dial text in rhodium
Crystal variants
- Saphir-Dom-AR-beidseitig-AT41-220
Bracelet variants
- Aqua Terra Integrated Bracelet 41mm Ref. AT41-Steel-Integrated-2021
In June 2021, Omega launched 19 new Aqua Terra references at once — an unusual move for a brand that typically rolls out new collections in small doses. The 220.10.41.21.02.004 is one of the 41mm variants on a steel bracelet, and it brings Small Seconds and date at 6 o'clock together into the Aqua Terra lineup for the first time: a combination that simply didn't exist in this form before 2021.
## A movement that justifies the premium
Inside the case runs the Cal. 8916, a Co-Axial Master Chronometer with 15,000 Gauss magnetic resistance and a 55-hour power reserve. METAS certification means 0 to +5 seconds per day under real-world wearing conditions, measured across six positions over several weeks. The collection's entry price starts at CHF 5,800 for steel versions — placing the 220.10 on a steel bracelet at the more accessible end of a range that climbs to CHF 30,900 in gold.
## Teak pattern, prefix question, pre-owned logic
The teak dial has divided opinion since the original Aqua Terra of 2002, and those who know it seek it out deliberately. Since 2023 there has been the 220.12 prefix on a rubber strap with a visually identical layout but a different feel on the wrist. On the pre-owned market, that distinction matters: check the prefix before you buy. The steel bracelet variant of the 220.10 shows steadier demand because it reflects the more traditional wearing proposition for this reference family.
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 Aqua Terra 150M 41mm Stainless Steel
Entry into Omega
At $7,158 this reference is one of the more affordable ways to wear a Omega on your wrist. That is precisely why many pieces have already passed through several hands — condition varies accordingly. Buyers here should pay particular attention to service history and honest photos from the seller.
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 Aqua Terra 150M 41mm Stainless Steel 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 Aqua Terra 150M 41mm Stainless Steel.
- 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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