Omega Seamaster Diver 300m Seamaster Diver 300M Master Co-Axial 44 Chronograph America's Cup

Reference 210.30.44.51.03.002

About this watch

The Omega Seamaster Diver 300M Master Co-Axial is a masterpiece of watchmaking that effortlessly blends style and functionality. Its striking blue ceramic dial and stainless steel case exude sophistication while its sporty edge makes it perfect for any occasion. The sapphire crystal glass ensures scratch resistance and clarity, while the automatic movement boasts a chronograph function and METAS certification, guaranteeing precision and durability. With a water resistance of 300 meters, this watch is more than capable of handling underwater adventures. Its ergonomic design and adjustable bracelet make it comfortable to wear, whether you're at work or enjoying a weekend getaway.
Buy Now on Jomashop
This is an affiliate link
MSRP: $11,900
Market Price: $7,460

Key Features

  • Omega Caliber 9900 automatic movement
  • Chronograph function with column wheel mechanism
  • Sapphire crystal glass for scratch resistance
  • 300m water resistance
  • 44mm diameter stainless steel case
  • Adjustable bracelet with secure clasp

Specifications

Brand
Omega
Family
Seamaster Diver 300m
Model
Seamaster Diver 300M Master Co-Axial 44 Chronograph America's Cup
Reference
210.30.44.51.03.002
Movement
9900
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronograph, Column wheel
  • Chronometer, Co-Axial Escapement
Case
Stainless Steel 44mm
Dial Color
Blue
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Omega Seamaster Diver 300M 210.30.42.20.10.001 Green Seaweed 2025 Full Set - $5,395

Omega Seamaster Diver 300M 210.30.42.20.10.001 Green Seaweed 2025 Full Set - $5,395

Up for sale is a Omega Seamaster Diver 300m Green Seaweed, a 2025 model featuring a **Reference**: 210.30.42.20.10.001 and other details.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2025
  • Movement: Master Chronometer
Posted at
Feb 10, 2026, 9:44 AM
Active
[WTS] Omega Seamaster Diver 300M 210.32.42.20.06.001 Grey 2023 Full Set - $4,295

Omega Seamaster Diver 300M 210.32.42.20.06.001 Grey 2023 Full Set - $4,295

This Omega Seamaster Diver 300m Grey is a 2023 model featuring a sleek design and precise timekeeping.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2023
  • Contents: Watch, Inner & Outer Box, Card Holder, International Warranty Card, Pictograms Card, Master Chronometer Card, Instructions Manual, Hang Tag
  • Shipping: Fully insured through Fedex in the USA
Posted at
Feb 10, 2026, 9:38 AM
Active
[WTS] Omega Seamaster Diver 300M 210.30.42.20.03.001 Blue 2022 Full Set - $4,395

Omega Seamaster Diver 300M 210.30.42.20.03.001 Blue 2022 Full Set - $4,395

A 2022 Omega Seamaster Diver 300M Blue is up for sale, featuring a blue dial and a stainless steel case.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2022
  • Contents: Watch, Inner & Outer Box, Card Holder, International Warranty Card, Pictograms Card, Master Chronometer Card, Instructions Manual
Posted at
Feb 10, 2026, 9:35 AM
Active
[WTS] Omega Seamaster Diver 300M 210.32.42.20.03.001 Blue 2022 Full Set - $4,395

Omega Seamaster Diver 300M 210.32.42.20.03.001 Blue 2022 Full Set - $4,395

A 2022 Omega Seamaster Diver 300M Blue, featuring a blue dial and a stainless steel case.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2022
  • Shipping Insurance: Fully insured
Posted at
Feb 10, 2026, 9:31 AM
Active
[WTS] 2018 Omega Seamaster Diver 300M Commander's Watch - REF 212.32.41.20.04.001

2018 Omega Seamaster Diver 300M Commander's Watch - REF 212.32.41.20.04.001

This is a 2018 Omega Seamaster Diver 300M Commander's Watch, with a clean and scratch-free crystal and bezel. It has been on a timegrapher and running within acceptable ranges.

  • Condition: great pre-owned condition
  • Case size: 41mm diameter
  • Bracelet condition: minor signs consistent with age
  • Crystal and bezel condition: clean and scratch free
Posted at
Feb 9, 2026, 7:22 PM
Active
[WTS] Omega Seamaster Diver 300M 212.30.41.20.03.001

Omega Seamaster Diver 300M 212.30.41.20.03.001

This Omega Seamaster Diver 300M features a 41mm stainless steel case with blue dial and ceramic bezel, powered by the Caliber 2500 co-axial automatic movement.

  • Condition: excellent pre-owned
  • Case size: 41mm
  • Diameter: 41mm
  • Water resistance: 300m
Posted at
Feb 9, 2026, 2:59 PM
Active
[WTS] 2021 Omega Seamaster Diver 300M 42mm 210.30.42.20.03.001 Full Set

2021 Omega Seamaster Diver 300M 42mm 210.30.42.20.03.001 Full Set

A modern, high-performance dive watch with iconic Seamaster styling, featuring a blue wave dial and steel bracelet.

  • Condition: Excellent
  • Year: 2021
  • Contents: Complete set with serialized hang tag
  • Shipping: FedEx fully insured PM
Posted at
Feb 9, 2026, 12:39 PM
Active
[WTS] OMEGA Seamaster Diver 300M "Paris 2024" Ref. 522.21.42.20.04.001 + Five Stripes "Paris 2024" NATO Strap - ULTIMATE SET! 🔥$8,100🔥

OMEGA Seamaster Diver 300M "Paris 2024" Ref. 522.21.42.20.04.001 + Five Stripes "Paris 2024" NATO Strap - ULTIMATE SET! 🔥$8,100🔥

The OMEGA Seamaster Diver 300M 'Paris 2024' is a luxurious tribute to sporting excellence, featuring a 42mm case combining stainless steel with 18K Moonshine Gold. It has a white ceramic dial with polished waves and a custom 'Paris 2024' typography on the date disc.

  • Condition: UNWORN
  • Case material: stainless steel and 18K Moonshine Gold
  • Diameter: 42mm
  • Water resistance: 300m depth rating
Posted at
Feb 8, 2026, 7:31 PM
Active