Omega Seamaster Diver 300m Seamaster Diver 300M Master Co-Axial 42 Swiss Armed Forces

Reference 210.30.42.20.01.003

Omega Seamaster Diver 300M Master Co-Axial 42 Swiss Armed Forces

About this watch

The Omega Seamaster Diver 300M Master Co-Axial 42 Swiss Armed Forces is a luxury watch that embodies the essence of precision, style, and adventure. Its sleek black ceramic bezel rotates for precise timing, while its round shape gives it a classic vibe. The black dial features stick and dot indexes for optimal readability, protected by a sapphire crystal. At its heart lies the Omega caliber 8806 movement, certified as a Master Chronometer with resistance to magnetic fields up to 15,000 gauss. With a water resistance rating of 300 meters and a limited edition of only 50 units produced, this watch is not just a timekeeper but also a collector's item. Its stainless steel bracelet is both sturdy and comfortable, making it perfect for all-day wear. Whether you're exploring the ocean or enjoying a night out, this watch ticks all the right boxes.
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Key Features

  • Omega caliber 8806 movement
  • 300m water resistance
  • Limited edition of only 50 units produced
  • Sapphire crystal protection
  • Stainless steel bracelet
  • Master Chronometer certification
  • Resistance to magnetic fields up to 15,000 gauss

Specifications

Brand
Omega
Family
Seamaster Diver 300m
Model
Seamaster Diver 300M Master Co-Axial 42 Swiss Armed Forces
Reference
210.30.42.20.01.003
Movement
8806
Movement Features
  • Hours, Minutes, Seconds
  • Chronometer, Co-Axial Escapement
Case
Stainless Steel 42mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
300

Current Listings

[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
A luxurious tribute to sporting excellence, this Seamaster Diver 300M 'Paris 2024' features a 42mm case combining stainless steel and OMEGA's exclusive 18K Moonshine Gold. The watch is powered by the Calibre 8800 Master Chronometer.

  • Condition: UNWORN
  • Case size: 42mm diameter
  • Straps included: Paris 2024 NATO strap
Posted at
Mar 21, 2026, 6:59 PM
Active
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[WTS] Omega Seamaster Diver 300M 210.30.42.20.03.001 Blue 2022 Full Set - $4,395

Omega Seamaster Diver 300M 210.30.42.20.03.001 Blue 2022 Full Set - $4,395

Omega - 210.30.42.20.03.001 路 $4,395
Up for sale is a **Omega Seamaster Diver 300m Blue** [Timestamp](https://www.dropbox.com/scl/fi/xel8k0shuugw793oxl6i6/IMG_8148.HEIC?rlkey=qudnn54bs4c9mohr4ucswl4i6&st=qlqwwgtn&dl=0) made in 2022 with a **Reference**: 210.30.42.20.03.001, featuring a 41.5mm case size.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2022
  • Contents: Watch, Inner & Outer Box, Card Holder, International Warranty Card, Pictograms Card, Master Chronometer Card, Instructions Manual
Posted at
Mar 21, 2026, 5:38 PM
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[WTS] Omega Seamaster Diver 300M 210.30.42.20.10.001 Green Seaweed 2023 Full Set - $5,395

Omega Seamaster Diver 300M 210.30.42.20.10.001 Green Seaweed 2023 Full Set - $5,395

Omega - 210.30.42.20.10.001 路 $5,395
This Omega Seamaster Diver 300m Green Seaweed is a 2023 model featuring a green dial.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2023
  • Contents: Watch, Inner & Outer Box, Card Holder, International Warranty Card, Pictograms Card, Master Chronometer Card, Instructions Manual
  • Shipping: Fully insured in the USA through Fedex
Posted at
Mar 21, 2026, 5:29 PM
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[WTS] Omega Seamaster Diver 300M Black Dial 41mm 2016 Box & Papers - $3,200

Omega Seamaster Diver 300M Black Dial 41mm 2016 Box & Papers - $3,200

Omega - Seamaster Diver 300M Black Dial 41mm 2016 路 $3,200
  • Condition: Excellent
  • Case size: 41mm diameter
  • Water resistance: 300m depth rating
  • Movement type: Omega automatic movement
Posted at
Mar 21, 2026, 12:13 PM
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[WTS] Omega Seamaster Diver 300m 18k Sedna Gold 210.22.42.20.01.002 $4,850

Omega Seamaster Diver 300m 18k Sedna Gold 210.22.42.20.01.002 $4,850

Omega - 210.22.42.20.01.002 路 $4,850
A Omega Seamaster Professional Diver 300 in Sedna Gold, featuring a sunburst black wave dial and ceramic bezel. It runs on the reliable Omega Calibre 8800, certified by COSC and METAS.

  • Condition: Preowned - Fair (Note small ding on top left lug)
  • Material: 18k Sedna Gold
  • Case size: not specified
Posted at
Mar 21, 2026, 9:54 AM
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[WTS] BNIB Omega Seamaster Diver 300M 210.30.42.20.04.001 $5,399

BNIB Omega Seamaster Diver 300M 210.30.42.20.04.001 $5,399

Omega - 210.30.42.20.04.001 路 $5,399
Up for sale is the Omega Seamaster Diver 300M, featuring a black ceramic bezel with a white enamel diving scale and a polished white ceramic dial.

  • Condition: Brand new in box with no issues
  • Case diameter: 42mm
  • Lug width: 20mm
  • Water resistance: 300m depth rating
Posted at
Mar 20, 2026, 12:36 PM
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[WTS] Omega Seamaster Diver 300M Professional 300m 2542.80.00 41mm Quartz

Omega Seamaster Diver 300M Professional 300m 2542.80.00 41mm Quartz

Omega - 2542.80.00 路 $1,999
  • Condition: Clear wear and light hand polish and scratches throughout
  • Case size: 41mm
  • Diameter: 41mm case
  • Lug width: 20mm
Posted at
Mar 20, 2026, 11:52 AM
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[WTS] Omega Seamaster Diver 300M Co-Axial 41mm - Blue Ceramic (212.30.41.20.03.001)

Omega Seamaster Diver 300M Co-Axial 41mm - Blue Ceramic (212.30.41.20.03.001)

Omega - 212.30.41.20.03.001 路 $2,999
This Omega Seamaster Diver 300M Professional features a clean, non-wave 'lacquer' dial and deep blue ceramic bezel, offering a refined and versatile look.

  • Condition: Great / Very Good
  • Movement: Omega Calibre 2500 (Automatic Co-Axial Chronometer)
  • Case size: 41mm
  • Diameter: 41mm
Posted at
Mar 19, 2026, 6:34 PM
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[WTS] Omega Seamaster Diver 300M, no date, black small wave dial 210.32.42.20.01.003

Omega Seamaster Diver 300M, no date, black small wave dial 210.32.42.20.01.003

Omega - 210.32.42.20.01.003 路 $5,450
A no date Omega Seamaster Diver 300M with a black small wave dial, featuring a domed sapphire crystal and an aluminum insert.

  • Condition: LIKE NEW (99/100)
  • Case size: 42mm
  • Material: full kit, all boxes, cards, manual, hang tag, original crystal sticker
Posted at
Mar 18, 2026, 9:32 PM
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