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

2025 BNIB Omega Seamaster Diver 300M Black 210.30.42.20.01.001 Full Set

Omega - 210.30.42.20.01.001 · $5,400

2025 Omega Seamaster Diver 300M Black 42mm daily diver with a full set, brand new and dated Sept 2025.

Condition: new, unsized, never worn
Size: 42mm diameter
Year: 2025

Posted at

Oct 17, 2025, 7:57 PM

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Omega seamaster professional chronometer

Omega - 21030422001001 · $3,200

This Omega Seamaster Professional 300m Diver is a 42mm watch with a black ceramic dial featuring laser-etched waves and Super-Luminova hands and indices.

Condition: Excellent
Size: 42mm diameter
Depth rating: 300m

Posted at

Oct 16, 2025, 2:24 PM

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Omega Seamaster Professional 300M 42mm Black Wave Dial Full Set

Omega - 210.30.42.20.01.001 · $4,250

For sale is my Omega Seamaster Professional Diver 300M 42mm in black with a black wave dial.

Condition: pristine
Case size: 42mm diameter
Water resistance: 300m depth rating

Posted at

Oct 14, 2025, 1:35 PM

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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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Omega Seamaster Diver 300M Black Ceramic 2024 Box And Papers 210.92.44.20.01.003

Omega - 210.92.44.20.01.003 · $7,750

The Omega Seamaster Diver 300M Black Ceramic Ref. 210.92.44.20.01.003 is a bold and stealthy take on one of Omega’s most iconic dive watches, featuring a 43.5mm black ceramic case with a sleek, matte finish.

Case material: black ceramic
Diameter: 43.5mm

Posted at

Oct 17, 2025, 1:02 PM

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Omega Seamaster Diver 300M James Bond Full Steel Blue Dial (Full-Set/Mint)

Omega - 210.30.42.20.03.002 · $6,665

This Omega Seamaster Diver 300M James Bond watch is a modern diver's watch directly tied to the iconic 007 legacy, featuring a full stainless steel case and a striking blue wavy dial.

Condition: like new to unworn
Case material: full stainless steel
Bracelet type: steel mesh
Band size: not specified

Posted at

Oct 16, 2025, 9:44 PM

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Omega Seamaster Diver 300M 210.32.42.20.01.001 2024

Omega - 210.32.42.20.01.001 · $4,650

A modern icon of precision and elegance, this Omega Seamaster Diver 300M features a black ceramic dial with laser-engraved wave pattern, unidirectional ceramic bezel, and helium escape valve. Measuring 42mm, it perfectly blends sport and style for everyday wear or ocean adventure.

Condition: Mint condition
Case size: 42mm
Material: stainless steel
Diameter: 40mm (bezel)

Posted at

Oct 15, 2025, 2:47 PM

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OMEGA Seamaster Diver 300M Silver |ref. 210.30.42.20.06.002 | 2025 Complete Set

OMEGA - 210.30.42.20.06.002 · $6,250

This OMEGA Seamaster Diver 300M Silver is a high-end watch from the 2025 collection, featuring a complete set of accessories and documentation. The watch itself is in excellent condition with minor wear, including lighter scratches and hairlines.

Condition: Excellent Preowned, minor wear in form of lighter scratches/hairlines
Box: Double Boxed
Papers: Pictograms x Master Chronometer Cert, Instruction Book, 2025 Warranty Card
Crystals: Both crystals clean

Posted at

Oct 15, 2025, 1:33 PM

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OMEGA Seamaster Diver 300m Chronograph 44mm Box & Papers - 210.32.44.51.01.001

Omega - 210.32.44.51.01.001 · $5,500

A Seamaster Diver 300m Chronograph that combines a professional dive watch and chronograph functionality in one modern package.

Condition: Very good, used condition with minor wear on the case
Movement: Omega's Calibre 9900, METAS-certified Master Chronometer with co-axial escapement and 60-hour power reserve
Case size: 44mm stainless steel
Water resistance: 300m

Posted at

Oct 14, 2025, 4:59 PM

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