Omega Seamaster Diver 300m Seamaster Diver 300M Automatic 41 Titanium / Black

Reference 2991.50.91

About this watch

The Omega Seamaster Diver 300M Automatic 41 Titanium / Black is a masterpiece of luxury watchmaking, blending precision, style, and durability. Crafted from titanium, this watch exudes a sense of lightweight strength, perfect for water sports enthusiasts or those who simply appreciate a robust timepiece. The black dial features stick and dot indexes, ensuring readability, while the rotating bezel with dive scale is both functional and stylish. Sapphire glass provides scratch resistance, allowing you to wear it with confidence. With a water resistance of 300 meters, this watch can withstand even the most intense underwater adventures. Whether you're snorkeling or simply enjoying a casual swim, the Omega Seamaster Diver 300M has got your back. But what truly sets this timepiece apart is its impressive performance. The Omega caliber 1120 movement is a certified chronometer, guaranteeing precision and accuracy. With a power reserve of 44 hours, you can trust that this watch will keep accurate time through weekends and beyond. In short, the Omega Seamaster Diver 300M is not just a watch – it's an experience.

Buy Now on Jomashop

This is an affiliate link

Key Features

Omega caliber 1120 automatic movement
Titanium case with rotating bezel and dive scale
Sapphire glass for scratch resistance
Water resistance up to 300 meters
Certified chronometer movement
44-hour power reserve
Black dial with stick and dot indexes

Specifications

Brand

Omega

Family

Seamaster Diver 300m

Model

Seamaster Diver 300M Automatic 41 Titanium / Black

Reference

2991.50.91

Movement Features

Hours, Minutes, Seconds
Date
Chronometer

Case

41mm

Dial Color

Black

Crystal

Sapphire

Water Resistance

300

Current Listings

2021 Omega Seamaster Diver 300M Nekton Edition 210.32.42.20.01.002 Complete Set

Omega - 210.32.42.20.01.002 · $4,250

The Omega Seamaster Diver 300M Nekton Edition is a 42mm watch with a dark grey dial, polished waves as contrast, and a Grade 5 titanium bezel. It has a solid case back and a full red seconds hand.

Condition: Great to excellent condition, with some marks and signs of use on the case and strap
Movement: Omega Cal. 8806, METAS certified
Water Resistance: 300m
Lume: nuclear

Posted at

Dec 11, 2025, 2:40 PM

Active

View listing on r/WatchExchange

2023 Omega Seamaster Diver 300M "Seaweed" 42mm Green Dial 210.32.42.20.10.001 Full Set

Omega - 210.32.42.20.01.001 · $4,600

2023 Omega Seamaster Diver 300M 'Seaweed' model featuring a 42mm stainless steel case with green ceramic dial and rotating dive bezel.

Condition: Very nice preowned condition with some light scratches on the case and buckle
Case material: Stainless Steel
Case dimensions: 42mm diameter
Bezel material: Stainless Steel

Posted at

Dec 9, 2025, 8:07 PM

Active

View listing on r/WatchExchange

Omega Seamaster Diver 300m Black Dial with box and papers

Omega - 210.32.42.20.01.001 · $4,400

This Omega Seamaster Diver 300m features a stainless steel case, black ceramic dial, and a black rubber strap. It is powered by an in-house movement that runs flawlessly.

Condition: Excellent
Case Size: 42mm diameter
Water Resistance: 300m depth rating
Box And Papers: yes

Posted at

Dec 9, 2025, 7:34 PM

Active

View listing on r/WatchExchange

Omega Seamaster Diver 300M 18K Yellow Gold & Steel

Omega - Seamaster Diver 300M · $7,000

This is one of the best Omega watches produced, a beautifully maintained blue-dial Seamaster in great overall condition.

Condition: Fantastic overall condition, light wear marks
Warranty: Omega warranty included
Box: Original Omega wooden presentation box included
Bracelet Links: All original bracelet links (including extras) included

Posted at

Dec 9, 2025, 3:13 PM

Active

View listing on r/WatchExchange

Omega Seamaster Diver 300M 210.30.42.20.03.001 – 2024 – Full Set – Like New – Blue Wave Dial - $4899 Shipped

Omega - 210.30.42.20.03.001 · $4,899

2024 Omega Seamaster Diver 300M in like new condition with a blue ceramic wave dial and 55-hour power reserve.

Condition: Like new
Case size: 42mm
Water resistance: 300m
Movement type: Automatic

Posted at

Dec 9, 2025, 12:22 AM

Active

View listing on r/WatchExchange

Omega Seamaster Diver 300m White Dial AKA "Polar" - $4,350 - Pre-Owned Great Condition w/ Triple Box & Papers

Omega - Diver 300m · $4,350

A diver's watch featuring a white dial.

Condition: Pre-Owned Great Condition
Box: triple box
Papers: yes, with papers

Posted at

Dec 8, 2025, 10:18 AM

Active

View listing on r/WatchExchange

Omega Seamaster Diver 300M Automatic 41mm 'Peter Blake' - 2254.50

Omega - 2254.50 · $2,850

A black Omega Seamaster Diver 300M Automatic 41mm watch, famously worn by Sir Peter Blake, in very good condition.

Condition: Very good
Case size: 41mm
Movement: Omega 1120 automatic

Posted at

Dec 7, 2025, 4:36 PM

Active

View listing on r/WatchExchange

Omega Seamaster Diver 300M – “Summer Blue” – Full Set(Bracelet + Omega Deployant) - 210.30.42.20.03.003

Omega - 210.30.42.20.03.003 · $5,700

This Omega Seamaster Diver 300M features a unique 'Summer Blue' colorway with a deeper gradient dial, matching blue ceramic bezel and Super-LumiNova. It retains the classic 300M case design and is powered by the Co-Axial Master Chronometer Calibre 8800.

Condition: Very good, used
Case size: 42mm
Movement: Co-Axial Master Chronometer Calibre 8800

Posted at

Dec 7, 2025, 2:05 PM

Active

View listing on r/WatchExchange

Omega Seamaster Diver 300M Blue - 2025 - Unworn

Omega - 210.30.42.20.03.001 · $4,400

This Omega Seamaster Diver 300M features a deep blue ceramic dial with laser-engraved waves, a stainless steel case and a blue ceramic bezel with white enamel diving scale.

Condition: Unworn
Case size: 42mm diameter
Water resistance: 300m depth rating

Posted at

Dec 6, 2025, 1:00 PM

Active

View listing on r/WatchExchange