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

Reference 210.30.42.20.10.001

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

About this watch

The Omega Seamaster Diver 300M Master Co-Axial 42 is a masterpiece of luxury watchmaking, combining advanced technology, stunning design, and rich history to create a timepiece that speaks to those who appreciate the finer things in life. The striking green ceramic bezel and robust movement are nestled within a stainless steel case, complemented by a sapphire crystal and stick indexes for quick reading. This watch is not only a tool but also a companion for life's adventures—both on land and underwater. With its impressive water resistance of 300 meters and luminous hands and markers, visibility is exceptional, even in low-light conditions. The Omega caliber 8800 automatic movement showcases the brand's commitment to precision, featuring a Co-Axial escapement that reduces friction and increases longevity. This watch has undergone rigorous testing as per the Master Chronometer certification process approved by METAS, making it resistant to magnetic fields up to 15,000 gauss.

Buy Now on Jomashop

This is an affiliate link

MSRP: $5,900

Market Price: $4,552

Key Features

Green ceramic bezel
Omega caliber 8800 automatic movement with Co-Axial escapement
300 meters water resistance
42.00 mm stainless steel case
Sapphire crystal
Stick indexes for quick reading
Luminous hands and markers

Specifications

Brand

Omega

Family

Seamaster Diver 300m

Model

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

Reference

210.30.42.20.10.001

Movement

8800

Movement Features

Hours, Minutes, Seconds
Date
Chronometer, Co-Axial Escapement

Case

42mm

Dial Color

Green

Crystal

Sapphire

Water Resistance

300

Current Listings

Omega Seamaster 300 - Green Wave Dial - 210.30.42.20.10.001 ( new / 2024 )

Omega - 210.30.42.20.10.001 · $4,850

This Omega Seamaster 300 features a 42mm stainless steel case and an 8800 Master Co-Axial movement, with a green wave dial.

Condition: Brand new
Case size: 42mm diameter
Movement type: Master Co-Axial

Posted at

Feb 12, 2025, 3:24 PM

Active

View listing on RolexForums

OMEGA SEAMASTER DIVER 300M GREEN 'SEAWEED' - 210.32.42.20.10.001 - VERY GOOD - BOX/PAPERS - XTRA NEW AM FORSTNER BRACELET

OMEGA - 210.32.42.20.10.001 · $4,621

A modern dive icon featuring a rich green ceramic dial and bezel, laser-engraved wave pattern, and OMEGA's legendary Co-Axial performance.

Condition: Very Good
Case size: 42mm diameter
Dial color: green
Bezel material: green ceramic

Posted at

Jan 18, 2026, 2:15 PM

Active

View listing on r/WatchExchange

OMEGA Seamaster Diver 300m - 42mm - Black Dial - Ref 210.32.42.20.01.001 - Full Set

OMEGA - 210.32.42.20.01.001 · $4,400

This OMEGA Seamaster Diver 300m is a 42mm black dial watch featuring a domed scratch-resistant sapphire crystal and a self-winding movement with a power reserve of 55 hours. The watch has been worn daily for an engineering desk job.

Condition: Minor scratches from day-to-day movements, otherwise like new
Case Diameter: 42 mm
Thickness: 13.56 mm
Water Resistance: 300m / 1000 feet

Posted at

Jan 18, 2026, 12:44 PM

Active

View listing on r/WatchExchange

OMEGA Seamaster Diver 300M 36MM - 212.30.36.20.01.002

OMEGA - 212.30.36.20.01.002 · $2,750

This 36mm OMEGA Seamaster Diver 300M is in excellent used condition with minor signs of wear.

Condition: excellent used condition with minor signs of wear
Case size: 36mm
Water resistance: 300m

Posted at

Jan 17, 2026, 7:44 PM

Active

View listing on r/WatchExchange

Omega Seamaster Diver 300m 44mm 210.60.44.51.03.001 Blue Dial Titanium 18k Rose Gold MINT CONDITION

Omega - 210.60.44.51.03.001 · $14,250

The Omega Seamaster Diver 300m Chronograph features a laser-ablated 18k rose gold bezel paired with a high polish blue ceramic dial and chronograph complications. It has 300 meters of water resistance and is powered by Omegas Co-Axial Master Chronometer Calibre 9900.

Condition: Amazing Pre-Owned condition, showing no sings of wear, clean crystal and case.
Case size: 44mm
Movement type: Automatic (Self Winding)
Power reserve: 72hrs

Posted at

Jan 17, 2026, 3:03 PM

Active

View listing on r/WatchExchange

OMEGA Seamaster Diver 300M "Paris 2024" Ref. 522.21.42.20.04.001 + Five Stripes "Paris 2024" NATO Strap - ULTIMATE SET! 🔥$8250🔥

OMEGA - 522.21.42.20.04.001 · $8,250

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

Condition: UNWORN
Case size: 42mm diameter
Movement: Calibre 8800 Master Chronometer
Depth rating: 300m

Posted at

Jan 16, 2026, 5:46 PM

Active

View listing on r/WatchExchange