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Omega Seamaster Diver 300M 210.30.42.20.01.001
Same family, reference not stated, not this exact reference. Photo: Thomas Quine, Wikimedia Commons, CC BY 2.0 (https://creativecommons.org/licenses/by/2.0). Resized and converted to AVIF and WebP. Added a depth map and background fill derived from the photo. Source

Omega, Dive

Seamaster Diver 300M

Ref. 210.30.42.20.01.001, 2018, In production

Same family, reference not stated

Heir to the 1990s Seamaster diver, it keeps the wave dial and adds ceramic and a Master Chronometer calibre.

€6,500

Official list price

Nov 2026. Source: omegawatches.com

Official site
Diameter
42 mm
Thickness
13.6 mm
Power reserve
55 h
Water resistance
300 m
Movement
Automatic
Material
Stainless steel 316L

Who it suits

For buyers who want a 300 m dive watch with a ceramic bezel at far less than a Submariner Date: €6,500 against about €11,100 at retail. 42 mm case, 13.56 mm thick.

Specifications

Case

Diameter
42 mm
Thickness
13.6 mm
Material
Stainless steel 316L
Shape
round
Water resistance
300 m

Movement

Movement
Automatic
Calibre
8800
Power reserve
55 h
Frequency
25,200 vph
Jewels
Not confirmed
Complications
hours, minutes, seconds, date

Dial and strap

Dial
black
Markers
Not confirmed
Date
Yes
Bezel
rotating dive, black
Strap
bracelet, steel

Record

Line
Seamaster
Year
2018
Status
In production
Range
Luxury

Alternatives

Why it matters

Sources

  1. omegawatches.com
  2. omegawatches.com
  3. europeanwatch.com

Record confidence: high. Anything unverified stays marked, never estimated.