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

Omega Seamaster 300M Diver

$5,215Range: $4,602 $5,740mediumUpdated Jul 27, 2026 · Model v1.1

Executive Summary

SignalHold

Fair Value

$5,215

30-Day

+1.4%

90-Day

+1.4%

Confidence

68/100

Analysis

Positive momentum (+1.4% recent trend)Strong liquidity (54 comps)

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

Fair Value

$5,215

54 comps

Ask Median

$5,215

54 listings

Sold Median

0 results

Confidence

Medium

68/100

Market Trend

+1.4%

30 days

Momentum

Slightly bullish

Market Intelligence

Market Liquidity

Medium

54 comps across 2 sources

Last Observation

Jul 27, 2026

Most recent data point

Data Sources

Chrono24
51 listings51
firstdibs
3 listings3

Valuation History

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 →

Frequently asked questions

How much is a Omega Seamaster 300M Diver worth?

As of Jul 27, 2026, the Omega Seamaster 300M Diver (Ref. 210.30.42.20.01.001) has a LuxMetrix fair market value of $5,215, typically ranging $4,602–$5,740. The estimate blends 54 live data points — 54 marketplace listings and 0 auction results — normalized to USD.

Is the Omega Seamaster 300M a good investment?

Over the last 90 days the Omega Seamaster 300M Diver's fair value has moved +1.4%. LuxMetrix tracks its value daily from real auction and marketplace data so you can judge momentum rather than guess; current confidence in the estimate is rated medium.

How many Omega Seamaster 300M watches are for sale?

LuxMetrix is currently tracking 54 marketplace listings and 0 recent auction results for the Omega Seamaster 300M Diver (Ref. 210.30.42.20.01.001).

How does LuxMetrix value the Seamaster 300M?

Each fair value blends what sellers ask on marketplaces (weighted 40%) with what buyers actually paid at auction (weighted 60%). Outliers are removed via IQR filtering, prices are normalized to USD, and a confidence score reflects data quality. See luxmetrix.com/methodology.