Omega Seamaster Diver 300m Seamaster Diver 300M Master Co-Axial 44 Chronograph Stainless Steel / Sedna Gold / Black / Bracelet

Reference 210.20.44.51.01.001

Omega Seamaster Diver 300M Master Co-Axial 44 Chronograph Stainless Steel / Sedna Gold / Black / Bracelet

About this watch

The Omega Seamaster Diver 300M Master Co-Axial 44 Chronograph is a testament to Omega's mastery of watchmaking, blending precision with exquisite design. Its striking combination of Stainless Steel and Sedna Gold exudes luxury, while the black ceramic bezel paired with a glossy black dial offers an elegant yet sporty feel. The 44mm diameter case feels substantial on the wrist, but not overwhelming, with a polished finish that reflects light beautifully. The Omega caliber 9900 movement, certified by METAS, boasts impressive technical specifications, including a power reserve of 60 hours and a frequency of 28,800 beats per hour. This automatic movement is engineered for performance, making it an exceptional timepiece for both diving enthusiasts and watch collectors. With its remarkable water resistance of 300 meters, the Seamaster Diver 300M is perfect for underwater adventures, while its date display and stick and dot indexes ensure excellent readability even in low-light conditions. Whether you're a seasoned diver or simply appreciate luxury watches, this timepiece embodies the spirit of adventure and sophistication.

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MSRP: $16,100

Market Price: $9,174

Key Features

Omega caliber 9900 movement
METAS certification
300m water resistance
44mm diameter case
Sedna Gold and Stainless Steel materials
Black ceramic bezel and glossy black dial
Date display at 6 o'clock

Specifications

Brand

Omega

Family

Seamaster Diver 300m

Model

Seamaster Diver 300M Master Co-Axial 44 Chronograph Stainless Steel / Sedna Gold / Black / Bracelet

Reference

210.20.44.51.01.001

Movement

9900

Movement Features

Hours, Minutes, Small Seconds
Date
Chronograph, Column wheel
Chronometer, Co-Axial Escapement

Case

44mm

Dial Color

Black

Crystal

Sapphire

Water Resistance

300

Current Listings

Omega Seamaster Diver 300M 210.30.42.20.03.003 “Summer Blue” — 75th Anniversary, Cal. 8800, Fullset 2023 — $4,599 Shipped (Tariff Covered)

Omega - 210.30.42.20.03.003 · $4,599

Seamaster Diver 300M 'Summer Blue' edition, celebrating the brand's 75th anniversary, with Calibre 8800 movement and a full set of accessories for 2023.

Year: 2023
Movement: Cal. 8800

Posted at

Apr 28, 2026, 9:45 AM

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Omega Seamaster Diver 300M 210.22.42.20.03.001 Two-Tone Blue Dial Full Set

Omega - 210.22.42.20.03.001 · $6,799

A two-tone Omega Seamaster Diver 300M with a blue dial and matching blue rubber strap, featuring an automatic movement and a stainless steel and yellow gold case.

Condition: Very Good
Case size: 42mm diameter
Movement type: Automatic
Serial number status: Blurred in photos for security

Posted at

Apr 27, 2026, 9:48 AM

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Omega Seamaster Diver 300M – Automatic 41mm – Electric Blue w/ Bond bracelet

Omega - 2055.80.00 // 2055.80 · $2,200

The Omega Seamaster Diver 300M features a stainless steel case, electric blue dial, and polished steel bezel on an Omega bracelet.

Condition: Excellent all-around condition
Movement: Omega caliber 1120 automatic movement
Water resistance: 300 meters

Posted at

Apr 26, 2026, 2:47 PM

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OMEGA Seamaster Diver 300M "Seaweed" Green - 210.32.42.20.10.001

OMEGA - 210.32.42.20.10.001 · $4,600

This Omega Seamaster Diver 300M features a stunning polished green ceramic dial and bezel, perfect for those who love the ocean and want a watch that shifts colors in different lighting conditions.

Condition: Great pre-owned condition with normal signs of wear
Water Resistance: 300m depth rating

Posted at

Apr 26, 2026, 1:05 PM

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BNIB Omega Seamaster Diver 300M 210.30.42.20.04.001 $5,299

Omega - 210.30.42.20.04.001 · $5,299

This Omega Seamaster Diver 300M features a white ceramic dial, laser-engraved waves, and a date window at 6 o'clock. The watch includes a black ceramic bezel with a white enamel diving scale and is powered by the OMEGA Master Chronometer Calibre 8800.

Condition: Brand new in box with no issues
Case diameter: 42mm
Lug width: 20mm
Water resistance: 300m

Posted at

Apr 26, 2026, 12:47 PM

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Omega Seamaster Diver 300M Green – Ref. 210.30.42.20.10.001 - $4700 plus label

Omega - 210.30.42.20.10.001 · $4,700

This Omega Seamaster Diver 300M Green features a pre-owned condition with most wear on the bracelet, light wear on the case sides and polished areas.

Condition: Pre-owned, light wear on bracelet and case sides
Bracelet condition: light wear
Case condition: light wear

Posted at

Apr 25, 2026, 9:43 PM

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Omega Seamaster Diver 300M – Automatic 41mm – Steel & Yellow Gold

Omega - 2455.8 · $4,250

This Omega Seamaster Diver 300M features a stainless steel and yellow gold two-tone design, with an electric blue wave dial and solid gold bezel. The watch has 300 meters of water resistance and comes with three cards.

Condition: Excellent all around condition
Movement: Omega caliber 1120 automatic movement
Water resistance: 300m depth rating
Case size: 41mm diameter

Posted at

Apr 25, 2026, 3:09 PM

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2018 Omega Seamaster Diver 300m Blue Dial Steel No Wave 212.30.41.20.03.001 B+P

Omega - 212.30.41.20.03.001 · $3,600

The Omega Seamaster Diver 300M features a clean, glossy blue dial and a stainless steel case that wears comfortably. It's an easy-to-wear diver with everyday use and real-world durability.

Condition: Excellent
Case diameter: 41mm
Crystal material: Sapphire
Bracelet material: Stainless Steel

Posted at

Apr 25, 2026, 2:43 PM

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