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.

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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

2025 Omega Seamaster Professional Diver 300M Seaweed 210.30.42.20.10.001 Complete Set w/Box, Papers, Warranty

Omega - 210.30.42.20.10.001 · $4,995

2025 Omega Seamaster Professional Diver 300M Seaweed, a stainless steel diver's watch featuring a 42mm case size, unidirectional rotating ceramic bezel, and METAS-certified Co-Axial Master Chronometer Caliber 8800 movement.

Condition: Pre-Owned with minor signs of wear
Collection: Omega Seamaster Diver 300M
Case size: 42mm diameter
Bezel type: Unidirectional rotating ceramic with green enamel diving scale

Posted at

Jan 16, 2026, 4:31 PM

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Omega Seamaster Diver 300M “Seaweed” Green 42mm - 210.30.42.20.10.001 – 2024 – Full Set - $5449 Shipped

Omega - 210.30.42.20.10.001 · $5,449

A 2024 Omega Seamaster Diver 300M 'Seaweed' in excellent condition, featuring a green ceramic wave dial and 42mm stainless steel case.

Condition: Excellent condition, light handling marks on bracelet only
Case size: 42mm diameter
Bracelet length: full length steel bracelet
Strap included: bonus green rubber strap

Posted at

Jan 15, 2026, 12:42 AM

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2023 Omega Seamaster 300M Seaweed 210.30.42.20.10.001 Full Set

Omega - 210.30.42.20.10.001 · $5,000

The watch is an Omega Seamaster 300M with a green dial, chronometer, date display, helium escape valve, rotating bezel, and transparent caseback.

Condition: really good condition
Movement: Omega 8800
Power reserve: 55 hours
Crystal type: Sapphire crystal

Posted at

Jan 14, 2026, 6:57 PM

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Omega Seamaster 300M Seaweed 210.30.42.20.10.001 Full Set

Omega - 210.30.42.20.10.001

Posted at

Jan 14, 2026, 6:51 PM

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Omega Seamaster Professional. “Seaweed” Green. Box, Papers, Links. 210.30.42.20.10.001

Omega - 210.30.42.20.10.001 · $4,400

This Omega Seamaster Professional features a Seaweed Green dial and is accompanied by its box, papers, and links.

Shipping method: Fedex with insurance
Shipping destinations: globally

Posted at

Jan 12, 2026, 11:35 AM

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OMEGA SEAMASTER PROFESSIONAL DIVER 300M GREEN DIAL SEAWEED COMPLETE SET BRAND NEW WITH STICKERS 2026

OMEGA - 210.30.42.20.10.001 · $5,400

This Omega Seamaster Professional Diver 300M features a beautiful green dial, stainless steel case, and is dated January 2026.

Condition: BRAND NEW/UNWORN
Case size: 42mm diameter
Material: stainless steel

Posted at

Jan 10, 2026, 10:59 AM

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Omega Seamaster Diver 300M Green Dial – 2025 Like New, Partially Stickered – Ref. 210.30.42.20.10.001

Omega - 210.30.42.20.10.001 · $5,200

The listing is for an Omega Seamaster Diver 300M with a green dial, described as like new and partially stickered.

Condition: Like New, Partially Stickered
Images: [https://imgur.com/a/xenK7E3](https://imgur.com/a/xenK7E3)

Posted at

Jan 8, 2026, 6:25 PM

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MINT Omega SEAMASTER DIVER 300M GREEN WAVE DIAL BRACELET 2025 WARRANTY FULL SET

Omega - 210.30.42.20.10.001 · $4,375

A 2025 Omega Seamaster Diver 300m in 42mm stainless steel with a green ceramic bezel and wave dial. The watch features an Omega Co-Axial Master Chronometer 8800 automatic movement.

Condition: Mint, Unpolished Condition
Movement: Omega Co-Axial Master Chronometer 8800 Automatic
Case size: 42mm diameter
Bezel material: Green Ceramic

Posted at

Mar 19, 2025, 10:32 PM

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Omega Seamaster Diver 300M Seaweed Green Ceramic Box Papers 210.30.42.20.10.001

Omega - 210.30.42.20.10.001 · $4,375

The Omega Seamaster Diver 300M features a Seaweed Green Ceramic wave dial and green ceramic bezel on a 42mm stainless steel bracelet. It's powered by the in-house Co-Axial Caliber 8800 movement, which offers a 55-hour power reserve and 300 meters of water resistance.

Condition: 96% Near Mint Condition
Movement: In-House Co-Axial Caliber 8800
Water Resistance: 300m/1000ft
Power Reserve: 55 hours

Posted at

Feb 28, 2025, 11:47 PM

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