Omega Seamaster Diver 300m Seamaster Diver 300M No-Date Master Co-Axial 42 Stainless Steel / Black / Bracelet

Reference 210.30.42.20.01.010

Omega Seamaster Diver 300M No-Date Master Co-Axial 42 Stainless Steel / Black / Bracelet

About this watch

The Omega Seamaster Diver 300M Master Co-Axial 42 is a statement piece that combines luxury and functionality in an exquisite package. Its sleek, modern design features a 42mm round case crafted from stainless steel, a black ceramic bezel with a 0-60 scale, and sapphire crystal glass for added protection. Powered by the Omega caliber 8800, this self-winding movement boasts Master Chronometer certification, verified by METAS, and offers increased accuracy and reduced friction. The watch features hours, minutes, seconds, and date display, as well as a water resistance of 300 meters, making it perfect for diving enthusiasts. Its versatile design suits various occasions, from casual to formal events, while its comfortable fit with an adjustable bracelet ensures a secure and stylish wear. This timepiece is not just a watch; it's a piece of art and engineering combined, reflecting Omega's commitment to excellence.

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Key Features

42mm round stainless steel case
Black ceramic bezel with 0-60 scale
Master Chronometer certification (caliber 8800)
300m water resistance
Sapphire crystal glass
Adjustable stainless steel bracelet

Specifications

Brand

Omega

Family

Seamaster Diver 300m

Model

Seamaster Diver 300M No-Date Master Co-Axial 42 Stainless Steel / Black / Bracelet

Reference

210.30.42.20.01.010

Movement

8806

Movement Features

Hours, Minutes, Seconds
Chronometer, Co-Axial Escapement

Case

42mm

Dial Color

Black

Crystal

Sapphire

Water Resistance

300

Current Listings

🔥🔥Sports Watch Collection🔥🔥 (Rolex, Omega, Tudor, Breitling, and Tag Heuer)

Omega - 210.30.42.20.01.010 · $4,699

This Omega Seamaster Professional 300 Ref. 210.30.42.20.01.010 features a 42mm case size, includes various accessories such as inner box, outer box, warranty card, and more.

Condition: Great overall
Case Size: 42mm diameter
Includes: Inner box,outer box,warranty card,pictograms card,master chronometer card,card holder,manual,original purchase receipt,Omega service receipt
Crystal: clean

Posted at

Apr 19, 2026, 9:27 PM

Active

View listing on r/WatchExchange

🔥🔥Omega Heavy Collection🔥🔥 (Rolex, Breitling, Longines, Tissot and More!)

Omega - 210.30.42.20.01.010 · $4,750

A pre-owned Omega Seamaster Professional 300 with a 42mm case size, in great overall condition, featuring a clean crystal and bezel, and light wear on the case and clasp.

Condition: Great overall
Case Size: 42mm
Includes: Inner box,outer box,warranty card,pictograms card,master chronometer card,card holder,manual,original purchase receipt,Omega service receipt
Crystal And Bezel Condition: clean

Posted at

Apr 12, 2026, 8:25 PM

Active

View listing on r/WatchExchange

Omega Seamaster 300M - Black Aluminum - 210.30.42.20.01.010 ( new / 2025 )

Omega - 210.30.42.20.01.010 · $5,995

This Omega Seamaster 300M features a 42mm stainless steel case with a black aluminum dial and mesh bracelet, powered by the Master Co-Axial Movement.

Condition: Brand new
Case size: 42mm
Movement: 8806 Master Co-Axial

Posted at

Apr 6, 2025, 4:26 PM

Active

View listing on RolexForums

MINT Omega SEAMASTER DIVER 300M STAINLESS STEEL BLACK BEZEL 2025 MODEL FULL SET

Omega - 210.30.42.20.01.010 · $6,175

A 2025 model Omega Seamaster Diver 300m with a stainless steel case and black aluminum bezel, featuring an Omega Co-Axial Master Chronometer 8806 movement.

Condition: Mint, unpolished condition
Case size: 42mm
Movement: Omega Co-Axial Master Chronometer 8806
Water resistance: 300m

Posted at

Feb 22, 2025, 9:41 PM

Active

View listing on RolexForums