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.

Buy Now on Jomashop

This is an affiliate link

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

Omega Seamaster 300M 42mm Black 210.30.42.20.01.001 ( new / 2025 / box and papers )

Omega - 210.30.42.20.01.001 · $5,450

This Omega Seamaster 300 is a brand new 42mm stainless steel watch with a black dial and bezel on a bracelet, complete with all original boxes, papers, and warranty.

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

Posted at

Apr 8, 2026, 12:10 PM

Active

View listing on r/WatchExchange

Omega Seamaster 300m Professional Black Ceramic 210.30.42.20.01.001

Omega - 210.30.42.20.01.001 · $4,150

This Omega Seamaster 300m Professional features a black ceramic case, comes with both OEM bracelet and rubber strap, and is accompanied by box and papers.

Condition: Pre-owned with minor scratches
Case Material: black ceramic
Bracelet: OEM
Strap: rubber

Posted at

Apr 6, 2026, 8:12 PM

Active

View listing on r/WatchExchange

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

Active

View listing on RolexForums

OMEGA Seamaster Diver 300M 210.32.42.20.04.001 Box And Papers+ Original Receipt $4300+ 🏷️

OMEGA - 210.32.42.20.04.001 · $4,300

The Omega Seamaster Diver 300M is a 42mm watch featuring a white dial with waves, 300 meter water resistance, and an 8800 movement.

Condition: Excellent, small scratches on bezel groove
Case size: 42mm
Water resistance: 300m
Movement: 8800

Posted at

Apr 19, 2026, 9:31 PM

Active

View listing on r/WatchExchange

Omega SMP 300 Seamaster Diver 300M America's Cup on Rubber Strap 210.32.42.20.04.002

Omega - 210.32.42.20.04.002 · $4,900

A Omega Seamaster Diver 300M America's Cup on a rubber strap with a red tipped hand and full deployment buckle.

Condition: Excellent condition
Strap material: rubber

Posted at

Apr 19, 2026, 7:33 PM

Active

View listing on r/WatchExchange

2025 OMEGA Seamaster Diver 300m 210.32.42.20.01.001 42mm Stainless Steel COMPLETE SET w/ Extra Strap

OMEGA - 210.32.42.20.01.001 · $4,950

The OMEGA Seamaster Diver 300m is a popular dive watch with a 42mm stainless steel case and black wave dial. It features a black ceramic bezel and comes with two strap options. The watch is powered by OMEGA's in-house coaxial movement, offering 55 hours of power reserve.

Condition: Excellent 'Like New' Condition
Case size: 42mm
Case material: Stainless Steel
Bezel material: Black Ceramic

Posted at

Apr 19, 2026, 4:48 PM

Active

View listing on r/WatchExchange

Omega Seamaster Diver 300M James Bond 60th Anniversary 210.30.42.20.03.002 $6,999

Omega - 210.30.42.20.03.002 · $6,999

This Omega Seamaster Diver 300M is a special edition celebrating the James Bond 60th Anniversary, featuring a reliable Omega Calibre 8806 and COSC and METAS certifications.

Condition: Preowned - Excellent
Case size: 42mm
Movement: Omega Calibre 8806
Water resistance: 300m

Posted at

Apr 19, 2026, 10:06 AM

Active

View listing on r/WatchExchange