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

Reference 210.20.42.20.03.002

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

About this watch

The Omega Seamaster Diver 300M Master Co-Axial 42 is an exceptional watch that successfully merges style, functionality, and durability. Its stunning blue dial with Sedna gold accents is reminiscent of the deep ocean, while its robust stainless steel case and ceramic bezel provide a durable and scratch-resistant exterior. At the heart of this luxury timepiece lies the Omega caliber 8800, a self-winding movement featuring a Co-Axial escapement that increases accuracy and reduces friction. With a power reserve of 55 hours, Master Chronometer certification, and resistance to magnetic fields up to 15,000 gauss, this watch is both precise and reliable. The Seamaster Diver 300M boasts an impressive water resistance of 300m, making it perfect for diving or everyday wear. Whether you're an avid diver or simply appreciate fine craftsmanship, this watch is sure to impress with its versatility, style, and luxury appeal.

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MSRP: $12,700

Market Price: $7,610

Key Features

42mm Stainless Steel Case
Sapphire Crystal Glass
300m Water Resistance
Master Chronometer Certification
Omega Caliber 8800 Movement
Co-Axial Escapement
55-Hour Power Reserve

Specifications

Brand

Omega

Family

Seamaster Diver 300m

Model

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

Reference

210.20.42.20.03.002

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 SMP300 - Blue Dial - Sedna Gold - 42mm - 210.20.42.20.03.002 - Full Set

Omega - 210.20.42.20.03.002 · $7,200

Up for sale is an Omega Seamaster SMP300 - Blue Dial - Sedna Gold - 42mm watch functions perfectly mechanically, without issue.

Condition: Fantastic condition with minor hairlines
Case Size: 42mm diameter

Posted at

Mar 1, 2026, 5:01 PM

Active

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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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