Omega Seamaster Aqua Terra 150M 38mm Mens Watch Black
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. O22010382001004 — Variants and collector names
Production phases and changes
- 2024: Introduction of the glossy black lacquered dial without teak-pattern embossing (Ref. 220.10.38.20.01.004), simultaneously also in 34mm (220.10.34.20.01.004) and 41mm; Cal. 8900 for the 41mm, Cal. 8800 for the 38mm/34mm
Movement variants
- 8800 (2021–today) · 25200 bph
Bezel variants
- Fixed-Steel-Polished-AT38
Dial variants
- AT38 Glossy Black — OMEGA / Co-Axial Master Chronometer / Seamaster / 150m/500ft – date 6h – high-gloss lacquer, diamond-cut OMEGA logo rhodium-plated
Crystal variants
- Saphir-AR-beidseitig-AT38
Bracelet variants
- Aqua Terra 38 Edelstahl 3-Glieder (polierte Mitteglieder, gebürstete Außengliede Ref. AT38-3Link-Steel-PolishedCenter-Brushed-19mm-2022
Ref. 220.10.38.20.01.004 marks a small but clean break in the Aqua Terra's history. In 2024, Omega brought out the 38mm variant with a glossy black lacquered dial, dropping the horizontal teak-pattern embossing that had been the line's signature since 2021. Anyone familiar with the earlier .01.001 reference spots the difference instantly under a loupe: no grooves, no shimmering play of light across the surface — just a smooth, almost mirror-like finish.
Omega didn't retire the teak dial in favor of the new one — the two ran side by side, both appearing in the 2024 price list at the same time. The lacquered look didn't arrive in isolation, either: the 34mm Ref. 220.10.34.20.01.004 and a 41mm version launched alongside it in the same design, so Omega rolled out three case sizes in the new dial finish in one go.
## Cal. 8800 Instead of Cal. 8900
The 38mm model runs on the Cal. 8800, while its larger 41mm sibling gets the Cal. 8900 — the usual Omega split between the smaller Master Chronometer calibers and the bigger variant with extended power reserve. The fixed, polished-smooth steel bezel carries over unchanged from the predecessor on this reference; the real shift is entirely in the dial.
## Who the Switch Is For
Collectors who liked the teak texture of the original 2021 reference can still find it in the lineup — .004 is an added option, not a replacement. Anyone after a calmer, more formal dial look gets exactly that with the new lacquered version, without giving up anything on caliber or case size. 38mm and Cal. 8800 stay the constants; only the surface changed in 2024.
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 38mm Mens Watch Black
Entry into Omega
At $7,549 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 38mm Mens Watch Black 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 38mm Mens Watch Black.
- 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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