Omega Seamaster Planet Ocean Seamaster Planet Ocean 600M Co-Axial 45.5 Stainless Steel / Black / Alligator

Reference 2900.50.37

Omega Seamaster Planet Ocean 600M Co-Axial 45.5 Stainless Steel / Black / Alligator

About this watch

The Omega Seamaster Planet Ocean 2900.50.37 is a luxury watch that embodies style, functionality, and adventure. Founded in 1848, Omega has established itself as a titan in the watch industry, known for precision, quality, and innovative technology. This timepiece features the Omega Caliber 2500 movement, a co-axial version of the ETA 2892-A2 designed to enhance accuracy and reduce friction. The black dial, adorned with luminous markers and hands, ensures readability in any environment. The watch's robust stainless steel case is comfortable on the wrist, while the sapphire crystal protects the dial from scratches and impacts. With a water resistance of 600 meters, it's built for serious divers but doesn't shy away from elegance. The Seamaster Planet Ocean 2900.50.37 is a true embodiment of the brand's dedication to excellence, blending ruggedness and elegance in its design.

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MSRP: $4,200

Market Price: $3,536

Key Features

Omega Caliber 2500 movement
600m water resistance
Sapphire crystal glass
45.5mm stainless steel case
Rotating bezel with 0-60 markings
Black dial with luminous markers and hands
48-hour power reserve

Specifications

Brand

Omega

Family

Seamaster Planet Ocean

Model

Seamaster Planet Ocean 600M Co-Axial 45.5 Stainless Steel / Black / Alligator

Reference

2900.50.37

Movement

2500

Movement Features

Hours, Minutes, Seconds
Date
Co-Axial Escapement, Chronometer

Case

Stainless Steel 45.5mm

Dial Color

Black

Crystal

Sapphire

Water Resistance

600

Current Listings

Omega Seamaster Planet Ocean 45mm 232.30.46.21.01.001 - $3200

Omega - 232.30.46.21.01.001 · $3,200

A Omega Seamaster Planet Ocean 45mm is for sale with its original packaging and accessories.

Condition: Some hairline scratches on the case, small knick on lug, signs of wear on bracelet
Box And Papers: Yes, including outer/inner boxes, instruction manual, warranty card, original accessories
Shipping: Via FedEx Ground with signature confirmation
Payment Methods: Zelle preferred, PayPal G&S available, banks wire

Posted at

Dec 7, 2025, 12:04 PM

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[WTT] Omega Seamaster Planet Ocean 600M - Skyfall Limited Edition - w/ Omega Service Price Drop

Omega - 232.30.42.21.01.004 · $4,900

A discontinued Limited Edition Skyfall Omega Seamaster Planet Ocean 600M with a black patterned dial and in-house caliber 8507b movement, water resistant up to 600 meters.

Condition: Pre-owned, recently serviced by Omega
Case size: 42mm
Water resistance: 600m (~2000ft)
Movement: Caliber 8507b with silicon balance spring

Posted at

Dec 6, 2025, 1:47 PM

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Omega Seamaster Planet Ocean Titanium 232.90.46.21.03.001 45.5mm under warranty dial😍😍

Omega - 232.90.46.21.03.001 · $4,600

This Omega Seamaster Planet Ocean Titanium is a 45.5mm watch under warranty, with a factory warranty valid until November 2027.

Condition: Excellent condition
Size: 45.5mm diameter
Water resistance: no specific value mentioned

Posted at

Dec 6, 2025, 12:25 PM

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Omega Seamaster Planet Ocean 8500 45.5mm 232.30.46.21.01.003 under warranty

Omega - 232.30.46.21.01.003 · $4,500

This Omega Seamaster Planet Ocean is a high-end diver's watch with a 45.5mm case, featuring a stainless steel construction and impressive water resistance.

Condition: exceptional condition
Warranty Valid Until: NOV 2027
Shipping Method: FedEx
Payment Methods: zelle, venmo, wire, applepay

Posted at

Dec 6, 2025, 12:10 PM

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Omega Seamaster Planet Ocean Black 8900 43.5mm 215.30.44.21.01.001 under warranty

Omega - 215.30.44.21.01.001 · $4,600

A black Omega Seamaster Planet Ocean with a 43.5mm case, under warranty until AUG 2029.

Condition: Excellent
Warranty: valid through AUG 2029
Boxes and papers: included

Posted at

Dec 6, 2025, 12:08 PM

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Omega Seamaster Planet Ocean 215.32.43.21.04.001 America's Cup Full Set!

Omega - 215.32.43.21.04.001 · $6,500

This Omega Seamaster Planet Ocean is a special edition commemorating Omega's participation in the America's Cup, featuring a white dial with red and blue accents.

Set: Complete set with watch, box, operations manual, pictogram, chronograph, and warranty cards
Shipping: Overnight shipping, fully insured, signature required

Posted at

Dec 6, 2025, 10:36 AM

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Omega Seamaster Planet Ocean Chronograph 600m 2900.50.81

Omega - 2900.50.81 · $2,299

This Omega Seamaster Planet Ocean Chronograph is a 45.5mm watch that features a red Barton strap and has been previously worn.

Condition: Pre-owned, scratches on AR coating
Case size: 45.5mm
Depth rating: 600m

Posted at

Dec 4, 2025, 1:51 PM

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Omega Seamaster Planet Ocean 600m Orange 2209.50 42mm

Omega - 2209.50 · $2,650

This Omega Seamaster Planet Ocean 600m is a high-end dive watch with impressive features.

Size: 42mm diameter
Depth Rating: 600m

Posted at

Dec 3, 2025, 7:43 PM

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2021 Omega Seamaster Planet Ocean �Oreo� GMT -215.30.44.22.01.001 - BPs + Extra

Omega - 215.30.44.22.01.001 · $5,700

2021 Omega Seamaster Planet Ocean 'Oreo' GMT is a luxury watch with minor wear on the case.

Condition: Very Good Condition
Case Wear: Minor
Box Condition: Outer white box flap is loose
Accessories: Double Box,All 3 Omega Cards (Warranty dated 6/8/21),Hangtag, Manual, Customer Service papers,Extra Black/white Rubber Strap

Posted at

Apr 4, 2025, 3:36 PM

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