Omega Seamaster Planet Ocean Seamaster Planet Ocean Ultra Deep O-Megasteel / Grey / Bracelet

Reference 215.30.46.21.06.001

Omega Seamaster Planet Ocean Ultra Deep O-Megasteel / Grey / Bracelet

About this watch

The Omega Seamaster Planet Ocean Ultra Deep O-Megasteel is a stunning piece that encapsulates the spirit of adventure and exploration. With its robust build, exceptional movement, and eye-catching design, it's a watch that not only tells time but also tells a story. The round case has a robust presence, crafted from durable materials such as titanium and stainless steel, ensuring that it can withstand the rigors of underwater exploration. At the heart of this magnificent timepiece is the Omega caliber 8912, an automatic movement featuring a Co-Axial escapement for enhanced accuracy and durability. Its incredible water resistance of 6000 meters makes it perfect for professional divers and marine enthusiasts. The rotating bezel allows divers to track elapsed time underwater, ensuring safety and efficiency during dives.

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MSRP: $12,700

Market Price: $9,015

Key Features

45.50 mm diameter
18.12 mm height
Titanium and stainless steel case
Omega caliber 8912 automatic movement
Co-Axial escapement for enhanced accuracy and durability
6000m water resistance
Sapphire crystal glass

Specifications

Brand

Omega

Family

Seamaster Planet Ocean

Model

Seamaster Planet Ocean Ultra Deep O-Megasteel / Grey / Bracelet

Reference

215.30.46.21.06.001

Movement

8912

Movement Features

Hours, Minutes, Seconds
Chronometer, Co-Axial Escapement

Case

45.5mm

Dial Color

Grey

Crystal

Sapphire

Water Resistance

6000

Current Listings

Omega Seamaster Planet Ocean 600M Blue Ceramic 43.5mm - Complete

Omega - 21530442103001 · $4,500

The Omega Seamaster Planet Ocean 600M Blue Ceramic features a stainless steel case, blue ceramic dial, and unidirectional bezel with Liquidmetal diving scale. It has an automatic chronometer movement and is water resistant to 600 meters.

Condition: Unworn/mint condition
Case Size: 43.5mm
Movement Type: Automatic chronometer

Posted at

Jan 6, 2026, 2:31 PM

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Omega Seamaster Planet Ocean GMT “Oreo” - 215.30.44.22.01.001 - Price Reduced!

Omega - 215.30.44.22.01.001 · $4,895

This Omega Seamaster Planet Ocean GMT is a 43.5mm watch that features a 'very good' condition, with some light scratches on the clasp and bracelet.

Condition: Very good condition with minor wear
Size: 43.5mm diameter
Water Resistance: 600m depth rating
Movement Accuracy: +-0 seconds lost per day

Posted at

Jan 6, 2026, 2:04 PM

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Omega Seamaster Planet Ocean 2500 1st gen 42.5mm 2209.50.00

Omega - 2209.50.00 · $3,400

This is a first-generation Omega Seamaster Planet Ocean, model 2500, with a 42.5mm case size.

Condition: great condition
Case Size: 42.5mm

Posted at

Jan 4, 2026, 3:05 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 8500 is a high-end dive watch with exceptional condition and still under warranty.

Condition: exceptional condition
Warranty Valid Until: NOV 2027

Posted at

Jan 4, 2026, 3:03 PM

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Omega Seamaster Planet Ocean 8500 Orange😍🍊 45.5mm 232.32.46.21.01.001

Omega - 232.32.46.21.01.001 · $4,500

The Omega Seamaster Planet Ocean 8500 is a 45.5mm watch with additional details.

Condition: great condition
Case size: 45.5mm diameter

Posted at

Jan 4, 2026, 2:58 PM

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Omega Seamaster Planet Ocean Chronograph 45.5mm 232.30.46.51.01.001

Omega - 232.30.46.51.01.001 · $4,500

This Omega Seamaster Planet Ocean Chronograph is a 45.5mm watch with various features and settings.

Condition: Excellent condition
Case Size: 45.5mm
Shipping: FedEx to the US
Payment Methods: Zelle, Venmo, Wire, Apple Pay

Posted at

Jan 4, 2026, 2:54 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 · $4,800

A Skyfall Limited Edition Omega Seamaster Planet Ocean 600M watch, one of only 5,007 pieces produced, featuring a black patterned dial, Omega's in-house caliber 8507b movement with silicon balance spring for increased anti-magnetic properties, and 42mm case size.

Condition: Pre-owned, serviced by Omega in August
Movement: Omega's in-house caliber 8507b
Water Resistance: 600m (~2000ft)
Size: 42mm diameter

Posted at

Jan 4, 2026, 1:20 PM

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Omega Seamaster Planet Ocean 600M 217.30.42.21.01.002

Omega - 217.30.42.21.01.002 · $8,250

Additional Details: Omega Seamaster Planet Ocean 600M Ref. 217.30.42.21.01.002 This watch comes complete with the full set as shown, including boxes, papers, and accessories.

Condition: Brand new with faint hairline marks on high-polished surfaces
Warranty Date: 11/2025

Posted at

Jan 3, 2026, 3:10 PM

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OMEGA Seamaster Planet Ocean 6000M Ultra Deep "Summer Blue" Ref. 215.30.46.21.03.002 - ULTIMATE SET!

OMEGA - 215.30.46.21.03.002 · $12,500

The OMEGA Seamaster Planet Ocean 6000M Ultra Deep is a commercially available version of the watch originally developed for the Five Deeds Expedition, featuring a massive 45.5mm case made from high-grade stainless steel and water-resistant to 6,000 meters.

Condition: UNWORN
Case size: 45.5mm diameter
Water resistance: 6000m depth rating
Movement: Co-Axial Master Chronometer Calibre 8912

Posted at

Jan 3, 2026, 5:52 AM

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