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 Diver 300M Chronograph Black Dial 44mm Watch 212.30.44.50.01.001

Omega - 212.30.44.50.01.001 · $4,480

This Omega Seamaster Diver 300M Chronograph features a rugged, all-stainless steel case with a black dial and ceramic bezel. It houses the automatic Co-Axial caliber 3330, offering chronograph functionality and date, along with 300m of water resistance.

Condition: Excellent pre-owned condition
Case size: 44mm
Bracelet size: 7 1/2 inches
Depth rating: 300m

Posted at

Mar 13, 2026, 9:55 AM

Active

View listing on r/WatchExchange

Omega Seamaster Diver 300M Black Dial 41mm 2016 Box & Papers - $3,250

Omega - Seamaster Diver 300M · $3,250

The Omega Seamaster Diver 300M is a modern dive watch that combines professional-grade capability with everyday wearability. The 41mm stainless steel case offers balanced proportions and robust construction, while the black dial delivers excellent legibility.

Condition: Excellent
Case size: 41mm
Water resistance: 300m depth rating
Movement power reserve: ~48 hours

Posted at

Mar 12, 2026, 10:13 AM

Active

View listing on r/WatchExchange

Omega Seamaster Diver 300M Pro – Black – OEM Mesh Strap – Full Set with Original Receipt – $3200 – Shipped

Omega - Seamaster Diver 300M Pro · $3,200

Omega Seamaster 300m professional in black, stainless steel mesh bracelet, purchased brand new from the boutique, comes as a full set.

Condition: great condition with minor wear
Bracelet material: stainless steel
Bracelet type: mesh

Posted at

Mar 10, 2026, 9:37 PM

Active

View listing on r/WatchExchange

2024 Omega Seamaster Diver 300M Green “Seaweed” • Ref: 210.30.42.20.10.001 • $5000 + L

Omega - 210.30.42.20.10.001 · $5,000

This Omega Seamaster Diver 300M Green 'Seaweed' is a pre-owned watch with clean crystal and dial but some wear on the case sides and bracelet. It comes with a double box, hang tag, all three cards, and warranty card dated 2024.

Condition: Pre-owned with wear to the case sides, crystal and dial are clean, wear to bracelet
Depth rating: 300m
Water resistance: Water resistant up to 300m

Posted at

Mar 9, 2026, 9:09 PM

Active

View listing on r/WatchExchange

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

Active

View listing on r/WatchExchange

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

Active

View listing on r/WatchExchange

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

Active

View listing on r/WatchExchange

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

Active

View listing on r/WatchExchange

2020 Omega Seamaster Diver 300m Black Dial Steel No Wave Reference 212.30.41.20.01.003 Box and Papers

Omega - 212.30.41.20.01.003 · $3,527

Condition: Excellent condition with minimal signs of wear on case, bracelet and clasp
Diameter: 41mm diameter
Case material: Steel
Crystal: Sapphire

Posted at

Mar 5, 2026, 10:35 AM

Active

View listing on r/WatchExchange