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

Reference 210.30.42.20.01.001

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

About this watch

The Omega Seamaster Diver 300M Master Co-Axial 42 is a masterpiece of watchmaking, blending luxury and functionality in a stunning package. Crafted from premium materials, this timepiece boasts exceptional build quality, Master Chronometer certification for accuracy, and an impressive water resistance of 300 meters. Its versatile design seamlessly transitions from casual to formal wear, while the comfortable fit with an adjustable bracelet ensures all-day wearability. This watch is not just a statement piece; it's a testament to Omega's commitment to excellence.
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MSRP: $5,900
Market Price: $4,102

Key Features

  • 42mm round case made from stainless steel
  • Black ceramic bezel with 0-60 scale
  • Sapphire crystal glass for added protection
  • Master Chronometer certification for accuracy and performance
  • Water resistance of 300 meters (1,000 feet)
  • Self-winding movement powered by Omega caliber 8800
  • Co-Axial escapement with reduced friction and increased accuracy

Specifications

Brand
Omega
Family
Seamaster Diver 300m
Model
Seamaster Diver 300M Master Co-Axial 42 Stainless Steel / Black / Bracelet
Reference
210.30.42.20.01.001
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 300m Black dial 210.30.42.20.01.001 Full Kit+ Receipt $4350+ 馃殺

Omega Seamaster 300m Black dial 210.30.42.20.01.001 Full Kit+ Receipt $4350+ 馃殺

Omega - 210.30.42.20.01.001 路 $4,350
An iconic Omega Seamaster 300m with a stunning black dial is available now, featuring a 42mm diameter case and 55 hour power reserve.

  • Condition: Excellent with minor scratches on case and clasp
  • Movement: 8800
  • Water Resistance: 300m
  • Case Size: 42mm
Posted at
Apr 30, 2026, 9:24 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster 300M 42mm Black 210.30.42.20.01.001 ( new / 2025 / box and papers )

Omega Seamaster 300M 42mm Black 210.30.42.20.01.001 ( new / 2025 / box and papers )

Omega - 210.30.42.20.01.001 路 $5,200
Up for sale is a brand new Omega Seamaster 300 with a 42mm stainless steel case and Master Co-Axial Movement.

  • Condition: Brand new
  • Case size: 42mm
  • Movement: 8800 Master Co-Axial
Posted at
Apr 23, 2026, 1:44 PM
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Omega Seamaster 300 - Black Wave Dial - 210.30.42.20.01.001 ( new / 2025 )

Omega Seamaster 300 - Black Wave Dial - 210.30.42.20.01.001 ( new / 2025 )

Omega - 210.30.42.20.01.001 路 $4,750
This Omega Seamaster 300 is a brand new timepiece with a black wave dial, featuring a 42mm stainless steel case and the Master Co-Axial Movement. It comes complete with all original boxes, papers, booklets, hang tag, and an Omega warranty card dated January 2025.

  • Condition: Brand new
  • Case Size: 42mm
  • Movement: 8800 Master Co-Axial
Posted at
Jan 31, 2025, 3:09 PM
Active
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[WTS] Omega Seamaster Diver 300M "No Wave" - 41mm Ceramic Bezel. Box and cards

Omega Seamaster Diver 300M "No Wave" - 41mm Ceramic Bezel. Box and cards

Omega - 212.30.41.20.01.003 路 $3,300
A discontinued Omega Seamaster Professional 300M 'No Wave' model from 2017, featuring a 41mm case and a unique black lacquer dial. This specific year is notable as it's one of the last production years for this reference before Omega switched to larger models. The watch includes a premium wooden presentation box and an international warranty card.

  • Condition: Light wear with no deep scratches
  • Case size: 41mm diameter
  • Thickness: ~13mm
  • Dial material: black gloss lacquer
Posted at
May 1, 2026, 9:17 PM
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[WTS] OMEGA Seamaster Diver 300M "Paris 2024" Ref. 522.21.42.20.04.001 + Five Stripes "Paris 2024" NATO Strap - ULTIMATE SET! 馃敟$7,900馃敟

OMEGA Seamaster Diver 300M "Paris 2024" Ref. 522.21.42.20.04.001 + Five Stripes "Paris 2024" NATO Strap - ULTIMATE SET! 馃敟$7,900馃敟

OMEGA - 522.21.42.20.04.001 路 $7,900
The Seamaster Diver 300M 'Paris 2024' is a luxurious tribute to sporting excellence, combining stainless steel with 18K Moonshine Gold and featuring a white ceramic dial.

  • Condition: UNWORN
  • Case material: stainless steel and 18K Moonshine Gold
  • Diameter: 42mm
  • Movement: Calibre 8800 Master Chronometer
Posted at
May 1, 2026, 8:00 PM
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[WTS] 2023 Omega Seamaster Diver 300M "No Time To Die" 210.90.42.20.01.001 James Bond 007 NTTD Box and Papers

2023 Omega Seamaster Diver 300M "No Time To Die" 210.90.42.20.01.001 James Bond 007 NTTD Box and Papers

Omega - 210.90.42.20.01.001 路 $8,277
This Omega Seamaster Diver 300M James Bond Edition 'No Time To Die' is a 2023 model, featuring a titanium case and brown leather travel case. It comes with its original box, papers, and international warranty card.

  • Condition: Preowned with signs of wear on the case, bracelet, and buckle
  • Case material: Titanium
  • Case size: 42mm diameter
  • Water resistance: 300m depth rating
Posted at
May 1, 2026, 2:41 PM
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[WTS] Omega Seamaster Diver 300M 42mm Ref. 210.32.42.20.01.001 Full Set

Omega Seamaster Diver 300M 42mm Ref. 210.32.42.20.01.001 Full Set

Omega - 210.32.42.20.01.001 路 $4,075
The Omega Seamaster Diver 300M features a black ceramic wave dial and matching black rubber strap. It has the in-house Calibre 8800 automatic movement and is METAS certified for accuracy, anti-magnetism, and reliability.

  • Condition: Excellent, very good with only light wear consistent with careful ownership
  • Movement: Calibre 8800
  • Case size: 42mm
  • Water resistance: 300m
Posted at
May 1, 2026, 12:34 PM
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[WTS] 2024 Omega Seamaster Diver 300M 210.30.42.20.10.001 Green Seaweed Full Set - $5,395

2024 Omega Seamaster Diver 300M 210.30.42.20.10.001 Green Seaweed Full Set - $5,395

Omega - 210.30.42.20.10.001 路 $5,395
A 2024 Omega Seamaster Diver 300M in Green Seaweed, a high-end diver's watch featuring a 42mm case and excellent condition.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2024
  • Depth rating: 300m
Posted at
Apr 30, 2026, 9:58 AM
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[WTS] Omega Seamaster Diver 300M Grey Dial | Ref. 210.32.42.20.06.001

Omega Seamaster Diver 300M Grey Dial | Ref. 210.32.42.20.06.001

Omega - 210.32.42.20.06.001 路 $4,100
This Omega Seamaster Diver 300M features a grey laser-engraved wave dial paired with a ceramic bezel, and is powered by the Omega Co-Axial Master Chronometer movement.

  • Condition: Very good condition, showing normal signs of wear consistent with careful use.
  • Case size: 42mm diameter
  • Dial color: Grey
  • Bezel material: Ceramic
Posted at
Apr 28, 2026, 9:16 PM
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