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

Reference 210.30.42.20.03.001

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

About this watch

The Omega Seamaster Diver 300M Master Co-Axial 42 is a masterpiece of watchmaking, boasting a robust 42mm stainless steel case, blue ceramic bezel with rotating 0-60 scale, and stunning blue dial with wave pattern. Protected by sapphire crystal, this timepiece showcases the intricate Omega caliber 8800 movement, featuring Co-Axial escapement and Master Chronometer certification for exceptional accuracy and resilience against magnetic fields up to 15,000 gauss.

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MSRP: $5,900

Market Price: $3,806

Key Features

42mm stainless steel case
Blue ceramic bezel with rotating 0-60 scale
Stunning blue dial with wave pattern
Sapphire crystal protection
Omega caliber 8800 movement
Co-Axial escapement
Master Chronometer certification
Water resistance up to 300 meters

Specifications

Brand

Omega

Family

Seamaster Diver 300m

Model

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

Reference

210.30.42.20.03.001

Movement

8800

Movement Features

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

Case

42mm

Dial Color

Blue

Crystal

Sapphire

Water Resistance

300

Current Listings

Omega Seamaster Diver 300M Chronograph Black Dial 44mm Watch 212.30.44.50.01.001

Omega - 212.30.44.50.01.001 · $4,480

This Omega Seamaster Diver 300M Chronograph features a rugged, all-stainless steel case with a black dial and ceramic bezel. It houses the automatic Co-Axial caliber 3330, offering chronograph functionality and date, along with 300m of water resistance.

Condition: Excellent pre-owned condition
Case size: 44mm
Bracelet size: 7 1/2 inches
Depth rating: 300m

Posted at

Mar 13, 2026, 9:55 AM

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Omega Seamaster Diver 300M (Black, 2023)

Omega - 210.30.42.20.01.001 · $4,250

This Omega Seamaster Diver 300M is a black, 42mm watch featuring steel on steel construction. It comes in its full set, including the inner/outer box, cards, and booklet.

Condition: Excellent condition
Case Size: 42mm diameter
Material: steel

Posted at

Mar 12, 2026, 2:15 PM

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Omega Seamaster Diver 300M Black Dial 41mm 2016 Box & Papers - $3,250

Omega - Seamaster Diver 300M · $3,250

The Omega Seamaster Diver 300M is a modern dive watch that combines professional-grade capability with everyday wearability. The 41mm stainless steel case offers balanced proportions and robust construction, while the black dial delivers excellent legibility.

Condition: Excellent
Case size: 41mm
Water resistance: 300m depth rating
Movement power reserve: ~48 hours

Posted at

Mar 12, 2026, 10:13 AM

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Omega Seamaster Diver 300M Pro – Black – OEM Mesh Strap – Full Set with Original Receipt – $3200 – Shipped

Omega - Seamaster Diver 300M Pro · $3,200

Omega Seamaster 300m professional in black, stainless steel mesh bracelet, purchased brand new from the boutique, comes as a full set.

Condition: great condition with minor wear
Bracelet material: stainless steel
Bracelet type: mesh

Posted at

Mar 10, 2026, 9:37 PM

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2024 Omega Seamaster Diver 300M Green “Seaweed” • Ref: 210.30.42.20.10.001 • $5000 + L

Omega - 210.30.42.20.10.001 · $5,000

This Omega Seamaster Diver 300M Green 'Seaweed' is a pre-owned watch with clean crystal and dial but some wear on the case sides and bracelet. It comes with a double box, hang tag, all three cards, and warranty card dated 2024.

Condition: Pre-owned with wear to the case sides, crystal and dial are clean, wear to bracelet
Depth rating: 300m
Water resistance: Water resistant up to 300m

Posted at

Mar 9, 2026, 9:09 PM

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Omega Seamaster Diver 300M 210.32.42.20.04.001 — White Dial — Box & Papers, Open Card

Omega - 210.32.42.20.04.001 · $4,650

The Omega Seamaster Diver 300M in white features a wave-textured dial paired with a black ceramic bezel, creating a clean and striking combination that can be dressed up or down.

Condition: Very good condition
Case material: not specified
Dial color: white
Bezel type: black ceramic

Posted at

Mar 7, 2026, 6:39 PM

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

OMEGA - 522.21.42.20.04.001 · $7,900

This OMEGA Seamaster Diver 300M is a luxurious tribute to sporting excellence, celebrating its role as the Official Timekeeper of the Olympic Games. The watch features a 42mm stainless steel case with 18K Moonshine Gold accents and a laser-structured diving scale on the bezel.

Condition: [UNWORN]
Case size: 42mm
Movement: Calibre 8800 Master Chronometer

Posted at

Mar 6, 2026, 8:14 PM

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2026 Omega Seamaster Diver 300M 210.30.42.20.06.002 $5,599

Omega - 210.30.42.20.06.002 · $5,599

2026 Omega Seamaster Diver 300M for sale.

Model name: Seamaster Diver 300M

Posted at

Mar 6, 2026, 3:38 PM

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Omega Seamaster Diver 300M 42mm 210.32.42.20.03.001 – Blue Dial – Full Set

Omega - 210.32.42.20.03.001 · $7,000

The Omega Seamaster Diver 300M is a stunning modern dive watch with a highly sought after blue ceramic dial and bezel, powered by the Co-Axial Master Chronometer movement.

Condition: excellent pre-owned condition
Case size: 42mm
Dial material: blue ceramic wave dial
Bezel material: blue ceramic with white enamel diving scale

Posted at

Mar 6, 2026, 1:18 PM

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