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] 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 · $5,395
Up for sale is a **Omega Seamaster Diver 300m Green Seaweed** in excellent condition, thoroughly tested and running well.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2024
  • Contents: watch, inner & outer box, card holder, international warranty card, pictograms card, master chronometer card, instructions manual
Posted at
May 21, 2026, 7:38 PM
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[WTS] Omega Seamaster Diver 300M -01/26 – Full Kit – $4,425 Shipped

Omega Seamaster Diver 300M -01/26 – Full Kit – $4,425 Shipped

Omega - Seamaster Diver 300M -01/26 · $4,425
This Omega Seamaster Diver 300M features a white wave dial and comes with a full kit, including inner/outer boxes, cards, manuals, and accessories. The watch is in very good condition with minimal marks on the case and bezel.

  • Condition: Very good pre-owned condition
  • Case size: 40mm diameter
  • Water resistance: 300m
Posted at
May 21, 2026, 12:31 AM
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[WTS] Omega Seamaster Diver 300M Ref. 212.30.41.20.03.001 Box & Papers Very Good Condition

Omega Seamaster Diver 300M Ref. 212.30.41.20.03.001 Box & Papers Very Good Condition

Omega - 212.30.41.20.03.001 · $3,299
This Omega Seamaster Diver features a blue wave dial and ceramic bezel with an iconic design.

  • Condition: Very good condition overall
  • Box Papers: Yes, includes original inner box, warranty card, manual, pictograms card, and full links
  • Movement: Co-Axial automatic
Posted at
May 20, 2026, 11:10 PM
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[WTS] Omega Seamaster Diver 300M 42mm Black Wave Dial-$3400

Omega Seamaster Diver 300M 42mm Black Wave Dial-$3400

Omega - 210.30.42.20.01.001 · $3,400
A 2021 Omega Seamaster Diver 300M Professional with a black ceramic dial configuration on a stainless steel bracelet.

  • Condition: Excellent overall condition
  • Case size: 42mm diameter
  • Water resistance: 300m depth rating
Posted at
May 20, 2026, 6:37 PM
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[WTS] 2026 Omega Seamaster Diver 300M Summer Blue 1/26 Ref# 210.32.42.20.03.002 $4,999.00

2026 Omega Seamaster Diver 300M Summer Blue 1/26 Ref# 210.32.42.20.03.002 $4,999.00

Omega - 210.32.42.20.03.002 · $4,999
A 2026 Omega Seamaster Diver 300M Summer Blue with a gradient blue wave dial and bezel, automatic movement and 300m water resistance.

  • Condition: Excellent shape with minor hairlines on case and clasp
  • Case diameter: 42mm
  • Water resistance depth rating: 300M
  • Movement type: Automatic
Posted at
May 20, 2026, 3:18 PM
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[WTS] 2022 Omega Seamaster Diver 300M Black 4/22 Ref# 210.30.42.20.01.001 $4,299.00

2022 Omega Seamaster Diver 300M Black 4/22 Ref# 210.30.42.20.01.001 $4,299.00

Omega - 210.30.42.20.01.001 · $4,299
A 2022 Omega Seamaster Diver 300M Black features a beautiful black wave dial and bezel, automatic movement, and 300M water resistance.

  • Condition: Great shape, minor hairlines on case
  • Case size: 42mm
  • Water resistance: 300m
  • Movement: 8806
Posted at
May 20, 2026, 2:30 PM
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[WTS] Omega Seamaster Diver 300m Black Dial 44mm

Omega Seamaster Diver 300m Black Dial 44mm

Omega - 210.32.44.51.01.001 · $5,200
The Omega Seamaster Diver 300M Chronograph is a daily piece that brings the perfect balance of sport, functionality, and wrist presence. It has a clean black-on-black configuration with a factory rubber strap making it incredibly wearable.

  • Condition: Great pre-owned condition with light signs of wear
  • Movement: Chronograph movement
Posted at
May 20, 2026, 1:21 PM
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[WTS] Omega Seamaster Diver 300M 007 "No Time To Die" (NTTD)

Omega Seamaster Diver 300M 007 "No Time To Die" (NTTD)

Omega - Seamaster Diver 300M NTTD · $6,820
The Omega Seamaster 007 'No Time To Die' edition is a unique configuration that offers a sensory and tactile experience. It features a Grade 2 Titanium case with a Milanese mesh band and a domed sapphire crystal. The watch has an automatic Caliber 8806 movement and a Co-Axial Master Chronometer engine.

  • Condition: Lightly worn, pristine condition bezel and crystal
  • Case material: Grade 2 Titanium
  • Bracelet type: Milanese mesh
  • Crystal type: Wildly domed sapphire crystal
Posted at
May 20, 2026, 10:33 AM
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[WTS][US] Omega Seamaster Diver 300m - Blue Dial - 41mm - 212.30.41.20.03.001 - Full Set

[US] Omega Seamaster Diver 300m - Blue Dial - 41mm - 212.30.41.20.03.001 - Full Set

Omega - 212.30.41.20.03.001 · $3,500
This Omega Seamaster Diver 300m features a blue dial and 41mm case size.

  • Condition: Fantastic with minor hairlines
  • Case size: 41mm
  • Water resistance: 300m
Posted at
May 20, 2026, 7:54 AM
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