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

Reference 210.20.42.20.03.002

About this watch

The Omega Seamaster Diver 300M Master Co-Axial 42 is an exceptional watch that successfully merges style, functionality, and durability. Its stunning blue dial with Sedna gold accents is reminiscent of the deep ocean, while its robust stainless steel case and ceramic bezel provide a durable and scratch-resistant exterior. At the heart of this luxury timepiece lies the Omega caliber 8800, a self-winding movement featuring a Co-Axial escapement that increases accuracy and reduces friction. With a power reserve of 55 hours, Master Chronometer certification, and resistance to magnetic fields up to 15,000 gauss, this watch is both precise and reliable. The Seamaster Diver 300M boasts an impressive water resistance of 300m, making it perfect for diving or everyday wear. Whether you're an avid diver or simply appreciate fine craftsmanship, this watch is sure to impress with its versatility, style, and luxury appeal.
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MSRP: $12,700
Market Price: $7,610

Key Features

  • 42mm Stainless Steel Case
  • Sapphire Crystal Glass
  • 300m Water Resistance
  • Master Chronometer Certification
  • Omega Caliber 8800 Movement
  • Co-Axial Escapement
  • 55-Hour Power Reserve

Specifications

Brand
Omega
Family
Seamaster Diver 300m
Model
Seamaster Diver 300M Master Co-Axial 42 Stainless Steel / Sedna Gold / Blue / Bracelet
Reference
210.20.42.20.03.002
Movement
8800
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
42mm
Dial Color
Blue
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Omega Seamaster Diver 300m 210.30.42.20.03.001- $4500

Omega Seamaster Diver 300m 210.30.42.20.03.001- $4500

This Omega Seamaster 300m features a blue ceramic wave dial with the robust 8800 METAS movement. The watch is in good overall condition.

  • Condition: Good, with minor marks and scratches
  • Case size: 42mm
  • Movement: 8800 METAS
  • Water resistance: 300m
Posted at
Apr 14, 2026, 11:54 AM
Active
[WTS] 2023 Omega Seamaster Diver 300M James Bond 60th 210.30.42.20.03.002 Complete Set Excellent

2023 Omega Seamaster Diver 300M James Bond 60th 210.30.42.20.03.002 Complete Set Excellent

This Omega Seamaster Diver 300M James Bond 60th Anniversary edition features a 42mm stainless steel case, blue wave dial, and no-date layout, including a commemorative caseback animation.

  • Condition: Excellent
  • Case diameter: 42mm
  • Dial color: blue
  • Layout: no-date
Posted at
Apr 13, 2026, 1:39 PM
Active
[WTS] Omega Seamaster Diver 300M 210.30.42.20.03.003 “Summer Blue” — 75th Anniversary, Cal. 8800, Fullset 2023 — $4,899 Shipped (Tariff Covered)

Omega Seamaster Diver 300M 210.30.42.20.03.003 “Summer Blue” — 75th Anniversary, Cal. 8800, Fullset 2023 — $4,899 Shipped (Tariff Covered)

A modern Omega Seamaster Diver 300M featuring a striking gradient blue ceramic dial and a stainless steel case in classic Diver 300M proportions.

  • Condition: Excellent, unpolished with light signs of wear
  • Case size: 42 x 49.9 x 13.5mm, 20mm lug width
  • Diameter: 42mm
  • Depth rating: 300m
Posted at
Apr 13, 2026, 12:55 PM
Active
[WTS] Omega Seamaster Diver 300M White Dial – Full Kit (2023)

Omega Seamaster Diver 300M White Dial – Full Kit (2023)

This Omega Seamaster Diver 300M features a white ceramic wave dial, black ceramic bezel, and an automatic movement powered by the Omega Caliber 8800.

  • Condition: Excellent condition with light wear
  • Case size: 42mm diameter
  • Water resistance: 300m depth rating
  • Movement type: Automatic
Posted at
Apr 13, 2026, 11:49 AM
Active
[WTS] Omega Seamaster Diver 300M James Bond 60th Anniversary 210.30.42.20.03.002 $6,999

Omega Seamaster Diver 300M James Bond 60th Anniversary 210.30.42.20.03.002 $6,999

This Omega Seamaster Diver 300M James Bond 60th Anniversary watch features a reliable COSC and METAS certified Calibre 8806 movement with resistance to magnetic fields up to 15,000 gauss. The watch also boasts a rhodium plated finish with Geneva waves in arabesque.

  • Condition: Preowned - Excellent
  • Case material: not specified
  • Band material: not specified
  • Movement: Omega Calibre 8806
Posted at
Apr 11, 2026, 7:30 PM
Active
[WTS] Omega Seamaster Diver 300M "Sedna Gold & Blue" | 18K Rose Gold Ref. 210.22.42.20.03.002 | 42mm | Stainless Steel & Gold | Full Set | 2023

Omega Seamaster Diver 300M "Sedna Gold & Blue" | 18K Rose Gold Ref. 210.22.42.20.03.002 | 42mm | Stainless Steel & Gold | Full Set | 2023

The Omega Seamaster Diver 300M is a professional-grade tool watch featuring an iconic laser-engraved wave dial in deep blue and a high-resistance ceramic bezel with Sedna gold diving scale.

  • Condition: 10/10 Condition
  • Case size: 42mm diameter
  • Material: Stainless Steel & 18K Rose Gold
  • Movement: Calibre 8800 (METAS-certified)
Posted at
Apr 11, 2026, 10:22 AM
Active
[WTS] OMEGA Seamaster Diver 300M "Paris 2024" Ref. 522.21.42.20.04.001 + Five Stripes "Paris 2024" NATO Strap - ULTIMATE SET! 🔥$7,900🔥

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

The OMEGA Seamaster Diver 300M 'Paris 2024' is a luxurious tribute to sporting excellence, featuring a 42mm case made of stainless steel and 18K Moonshine Gold. The watch has a white ceramic dial with polished waves and a laser-structured diving scale.

  • Condition: UNWORN
  • Case size: 42mm
  • Case material: stainless steel with 18K Moonshine Gold
  • Movement: Calibre 8800 Master Chronometer
Posted at
Apr 10, 2026, 9:07 PM
Active
[WTS] Omega Seamaster Diver 300M Blue Grey Wave Dial Stainless Steel 42MM 210.30.42.20.06.001 Full Set

Omega Seamaster Diver 300M Blue Grey Wave Dial Stainless Steel 42MM 210.30.42.20.06.001 Full Set

A stainless steel Omega Seamaster Diver 300M with a blue grey wave dial and ceramic bezel, featuring laser-engraved waves and a date window at 6 o'clock.

  • Condition: pristine
  • Case material: stainless steel
  • Bezel material: blue ceramic
  • Diameter: 42mm
Posted at
Apr 10, 2026, 8:22 PM
Active
[WTS] Omega Seamaster Diver 300M "Seaweed" Green Dial 42MM 210.32.42.20.10.001 Complete Set

Omega Seamaster Diver 300M "Seaweed" Green Dial 42MM 210.32.42.20.10.001 Complete Set

This Omega Seamaster Diver 300M features a robust stainless steel case, wave-patterned green dial, and ceramic bezel.

  • Case size: 42mm
  • Diameter: 42mm
  • Bezel material: ceramic
Posted at
Apr 10, 2026, 7:46 PM
Active