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

Reference 210.30.42.20.01.001

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

About this watch

The Omega Seamaster Diver 300M Master Co-Axial 42 is a masterpiece of watchmaking, blending luxury and functionality in a stunning package. Crafted from premium materials, this timepiece boasts exceptional build quality, Master Chronometer certification for accuracy, and an impressive water resistance of 300 meters. Its versatile design seamlessly transitions from casual to formal wear, while the comfortable fit with an adjustable bracelet ensures all-day wearability. This watch is not just a statement piece; it's a testament to Omega's commitment to excellence.

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MSRP: $5,900

Market Price: $4,102

Key Features

42mm round case made from stainless steel
Black ceramic bezel with 0-60 scale
Sapphire crystal glass for added protection
Master Chronometer certification for accuracy and performance
Water resistance of 300 meters (1,000 feet)
Self-winding movement powered by Omega caliber 8800
Co-Axial escapement with reduced friction and increased accuracy

Specifications

Brand

Omega

Family

Seamaster Diver 300m

Model

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

Reference

210.30.42.20.01.001

Movement

8800

Movement Features

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

Case

42mm

Dial Color

Black

Crystal

Sapphire

Water Resistance

300

Current Listings

2024 Omega Seamaster Professional Diver 300M 42mm Black Dial 210.30.42.20.01.001

Omega - 210.30.42.20.01.001 · $4,400

A 2024 Omega Seamaster Professional Diver 300M with a black dial and 42mm stainless steel case.

Condition: Preowned with light scratches on case, buckle and bracelet, AR coating
Case dimensions: 42mm diameter
Bezel material: stainless steel with black ceramic insert
Band material: stainless steel bracelet

Posted at

Mar 13, 2026, 7:53 PM

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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 Professional 300m - Black Dial - 42mm - 210.30.42.20.01.001 - Full Set

Omega - 210.30.42.20.01.001 · $4,425

A well-maintained Omega Seamaster Professional 300m with a black dial and 42mm case size, featuring a mechanical movement.

Condition: Fantastic with minor hairlines and two small marks on bezel
Case diameter: 42mm
Water resistance: 300m

Posted at

Mar 10, 2026, 5:18 AM

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Omega Seamaster 300 - Black Wave Dial - 210.30.42.20.01.001 ( new / 2025 )

Omega - 210.30.42.20.01.001 · $4,750

This Omega Seamaster 300 is a brand new timepiece with a black wave dial, featuring a 42mm stainless steel case and the Master Co-Axial Movement. It comes complete with all original boxes, papers, booklets, hang tag, and an Omega warranty card dated January 2025.

Condition: Brand new
Case Size: 42mm
Movement: 8800 Master Co-Axial

Posted at

Jan 31, 2025, 3:09 PM

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