Omega Seamaster Diver 300M black dial steel watch
Omega·Ref. 210.30.42.20.01.001·Stainless Steel

Omega Seamaster 300M Diver

$5,144Range: $4,627 – $5,833mediumUpdated Apr 30, 2026 · Model v1.1

Executive Summary

SignalHold

Fair Value

$5,144

30-Day

+1.0%

90-Day

—

Confidence

48/100

Analysis

Positive momentum (+1.0% recent trend)

Algorithmic signal based on public market data. Not financial advice.

Fair Value

$5,144

14 comps

Ask Median

$5,144

14 listings

Sold Median

—

0 results

Confidence

Medium

48/100

Market Trend

+1.0%

30 days

Momentum

Slightly bullish

Market Intelligence

Market Liquidity

Medium

14 comps across 2 sources

Last Observation

Apr 30, 2026

Most recent data point

Data Sources

Chrono24
11 listings11
firstdibs
3 listings3

Valuation History

Auction Results

No auction results available yet.

Marketplace Listings

TitleAskCondition
Omega Seamaster Diver 300 M Automatic Chronometer Black Dial 210.30.42.20.01.001$6,100Unknown
Omega Seamaster Diver 300m Steel Gray Wave Dial Mens Watch 210.30.42.20.06.001$6,499Unknown
Omega Seamaster 210.30.42.20.06.001 Ceramic Blue Bezel Grey Dial Steel Box Paper$5,195Unknown
Omega Seamaster Diver 300 M 42mm Black Dial Stainless Steel Bracelet 210.30.42.20.01.001 Unworn$5,895Unknown
Omega Seamaster Diver 300 M 210.30.42.20.01.001 Automatic Steel Fair$4,003Unknown
Omega Seamaster Diver 300 M Black Dial Unworn 2025 - 210.30.42.20.01.001$5,522Unknown
Omega Seamaster Diver 300 M NEW 2026 Seamaster Diver Black Bracelet 42mm 300m 210.30.42.20.01.001$5,795Unknown
Omega Seamaster Diver 300 M 210.30.42.20.01.001$4,643Unknown
Omega Seamaster Diver 300 M 210.30.42.20.03.001 Black Dial "Wave" 43mm Steel Excellent$4,799Unknown
Omega Seamaster Diver 300 M Co-axial Master Chronometer 210.30.42.20.01.001$4,622Unknown
Omega Seamaster Diver 300 M 210.30.42.20.01.001 Stainless Steel Automatic Watch$5,092Unknown
Omega Seamaster Diver 300 M MINT COMPLETE SET Seamaster Diver 300M Black Dial Ceramic Steel 42mm 210.30.42.20.01.001$5,845Unknown
Omega Seamaster Diver 300 M 210.30.42.20.01.001$3,759Unknown
Omega Seamaster Diver 300 M 210.30.42.20.01.001$4,489Unknown

How this value is calculated

The LuxMetrix fair value blends two independent signals: what sellers are asking on marketplaces (weighted 40%) and what buyers have actually paid at auction (weighted 60%). Outliers are removed using IQR filtering, and a confidence score reflects data quality.

Read the full methodology →