Omega Seamaster Diver 300m Seamaster Diver 300M Master Co-Axial 42 Stainless Steel / Sedna Gold / Black / Bracelet

Reference 210.20.42.20.01.001

Omega Seamaster Diver 300M Master Co-Axial 42 Stainless Steel / Sedna Gold / Black / Bracelet

About this watch

The Omega Seamaster Diver 300M Master Co-Axial 42 is a statement piece that blends functionality with luxury. This stunning watch features a striking combination of stainless steel and Sedna gold against the black ceramic bezel, creating a robust yet sophisticated feel. The black dial is a canvas of elegance, featuring stick and dot indexes for enhanced readability. The rotating bezel adds to its aesthetic appeal while being functional for diving purposes. With a water resistance of 300 meters, this watch is designed for serious diving. The Omega caliber 8800 movement powers the watch, tested according to the Master Chronometer certification process approved by METAS, ensuring precision and resistance to magnetic fields. This self-winding movement has a power reserve of 55 hours, making it practical for daily wear. The Seamaster Diver 300M is a perfect blend of style and substance, suitable for both casual outings and formal events. It's like wearing a piece of art on your wrist—a trusted companion that can withstand the elements while keeping you stylish.
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MSRP: $12,700
Market Price: $7,558

Key Features

  • Omega caliber 8800 movement
  • Master Chronometer certification
  • 300m water resistance
  • Sedna gold and stainless steel case
  • Black ceramic bezel
  • Rotating bezel for diving purposes
  • Sapphire crystal
  • 42mm diameter
  • Adjustable stainless steel bracelet

Specifications

Brand
Omega
Family
Seamaster Diver 300m
Model
Seamaster Diver 300M Master Co-Axial 42 Stainless Steel / Sedna Gold / Black / Bracelet
Reference
210.20.42.20.01.001
Movement
8800
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
42mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Omega Seamaster Diver 300M White Dial – Ref. 210.32.42.20.04.001 (2021) – Full Set – $4,700

Omega Seamaster Diver 300M White Dial – Ref. 210.32.42.20.04.001 (2021) – Full Set – $4,700

Omega - 210.32.42.20.04.001 · $4,700
This Omega Seamaster Diver 300M features a white dial and was produced in 2021.

  • Year: 2021
Posted at
Jan 28, 2026, 5:38 PM
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[WTS] Omega Seamaster Diver 300M - 41mm Ceramic Blue - No Wave - Complete Set

Omega Seamaster Diver 300M - 41mm Ceramic Blue - No Wave - Complete Set

Omega - 212.30.41.20.03.001 · $3,200
This Omega Seamaster Diver 300M Co-Axial Chronometer features a 41mm stainless steel case, blue ceramic bezel, and flat/lacquered blue dial with an understated look. It has an Omega Co-Axial calibre 2500 automatic movement and is rated to 300 m of water resistance.

  • Condition: Excellent
  • Case size: 41mm diameter
  • Movement: Omega Co-Axial calibre 2500 automatic movement
  • Water resistance: 300m depth rating
Posted at
Jan 28, 2026, 4:46 PM
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[WTS] 2025 OMEGA Seamaster Diver 300M 42mm Green Dial “SEAWEED” 210.30.42.20.10.001

2025 OMEGA Seamaster Diver 300M 42mm Green Dial “SEAWEED” 210.30.42.20.10.001

OMEGA - 210.30.42.20.10.001 · $4,700
A 2025 OMEGA Seamaster Diver 300M in a 42mm Green Dial "SEAWEED" configuration, featuring an Omega 8800 movement and various accessories.

  • Condition: Excellent, light signs of wear
  • Movement: Omega 8800
Posted at
Jan 28, 2026, 4:37 PM
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[WTS] OMEGA Seamaster Diver 300M 42mm White Dial 210.30.42.20.04.001 | Full Set

OMEGA Seamaster Diver 300M 42mm White Dial 210.30.42.20.04.001 | Full Set

OMEGA - 210.30.42.20.04.001 · $4,500
A 2020 OMEGA Seamaster Diver 300M with a white dial, 42mm case size, and excellent timekeeping performance.

  • Condition: Outstanding condition, with only a few faint hairline marks on the bracelet from light wear.
  • Movement: Omega 8800
  • Bracelet size: 8.25 inches, will fit wrists up to approximately 8.25"
  • Box condition: [object Object]
Posted at
Jan 28, 2026, 4:24 PM
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[WTS] 2023 Omega Seamaster Diver 300m White Dial on Bracelet 210.30.42.20.04.001 B+P

2023 Omega Seamaster Diver 300m White Dial on Bracelet 210.30.42.20.04.001 B+P

Omega - 210.30.42.20.04.001 · $4,600
This watch features a stunning white wave-pattern dial paired with a black ceramic bezel, and is equipped with Omega's Co-Axial Master Chronometer Caliber 8800 movement, offering exceptional precision, anti-magnetic protection, and 300-meter water resistance.

  • Condition: Excellent
  • Movement: Self-winding Mechanical
  • Case material: Stainless Steel
  • Bezel material: Black Ceramic
Posted at
Jan 28, 2026, 10:09 AM
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[WTS] 1999 Midsize Omega Seamaster Diver 300M, with box and papers! - $2450 shipped!!

1999 Midsize Omega Seamaster Diver 300M, with box and papers! - $2450 shipped!!

Omega - 2551.80 · $2,450
This listing is for a genuine Midsize Omega Seamaster Diver 300M from 1999, featuring an automatic movement and 36mm case size.

  • Condition: 9/10 with minor scratches
  • Movement: Cal. 1120 automatic
  • Case size: 36mm diameter
Posted at
Jan 28, 2026, 7:04 AM
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[WTS] Omega Seamaster Diver 300M 210.32.42.20.01.003 with Box, Papers, and aftermarket bracelets

Omega Seamaster Diver 300M 210.32.42.20.01.003 with Box, Papers, and aftermarket bracelets

Omega - 210.32.42.20.01.003 · $4,999
A Omega Seamaster Diver 300M is being sold with its original box, papers, and aftermarket bracelets. The watch has some minor scuffs on the lugs but overall is in great condition.

  • Condition: 9/10 with slight wear on lugs
  • Box: yes
  • Papers: yes
  • Bracelets: 2 aftermarket mesh bracelets
Posted at
Jan 26, 2026, 8:32 PM
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[WTS] Omega Seamaster Diver 300M Nekton Edition 210.32.42.20.01.002 Full Kit

Omega Seamaster Diver 300M Nekton Edition 210.32.42.20.01.002 Full Kit

Omega - 210.32.42.20.01.002 · $4,299
A special edition Omega Seamaster Diver 300M Nekton Edition, featuring a titanium bezel and submarine caseback engraving. The watch is equipped with an automatic Caliber 8806 Master Chronometer movement.

  • Condition: Excellent condition overall
  • Case size: 42mm
  • Material: Stainless steel
  • Dial description: Black laser-ablated ceramic dial
Posted at
Jan 25, 2026, 11:12 PM
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Omega Seamaster Diver 300M Black Ceramic (210.92.44.20.01.003)

Omega Seamaster Diver 300M Black Ceramic (210.92.44.20.01.003)

Omega - 210.92.44.20.01.003 · $6,500
This Omega Seamaster Diver 300M Black Ceramic watch features a 44mm size and is in excellent condition, complete with a triple boxed set and various documentation.

  • Condition: Excellent
  • Size: 44mm diameter
  • Depth rating: 30 bar (300m)
  • Movement: Master Chronometer
Posted at
Mar 26, 2025, 3:22 PM
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