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

Reference 215.30.46.21.06.001

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

[WTS] Omega Seamaster Planet Ocean 45.5mm Full Kit

Omega Seamaster Planet Ocean 45.5mm Full Kit

Omega - Planet Ocean 45.5mm $3,500
A Omega Seamaster Planet Ocean 45.5mm watch for sale, with additional details including box, papers, and various straps.

  • Condition: Light wear, a few tiny scuffs and scratches on the lugs and case
  • Water Resistance: 600 meters
  • Movement: Caliber 2500, Co-Axial Escapement, Chronometer
Posted at
Jan 20, 2026, 5:42 PM
Active
[WTS] Omega Seamaster Planet Ocean 600M - Blue Ceramic 43.5mm - Complete Set

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

Omega - 21530442103001 $4,500
The Omega Seamaster Planet Ocean 600M is a robust dive watch with a depth rating of 600 meters, featuring a blue ceramic dial and unidirectional bezel.

  • Condition: Unworn/mint condition
  • Case size: 43.5mm diameter
  • Depth rating: 2000 feet / 60 bar
  • Movement: Omega Calibre 8900 automatic chronometer
Posted at
Jan 20, 2026, 2:45 PM
Active
[WTS] Like NEW 2025 Omega Seamaster Planet Ocean 4th Gen | Pristine Full Kit | Save $1,250+ off MSRP! 馃敟 $7,349

Like NEW 2025 Omega Seamaster Planet Ocean 4th Gen | Pristine Full Kit | Save $1,250+ off MSRP! 馃敟 $7,349

Omega - 217.32.42.21.01.002 $7,349
The Omega Seamaster Planet Ocean 4th Gen, a brand new no-date and no-Hev model that was only worn for a day, offers 600m water resistance and a 42mm case size.

  • Condition: MINT
  • Water resistance: 600m
  • Case size: 42mm
  • Depth rating: 600m
Posted at
Jan 19, 2026, 1:50 PM
Active
[WTS] Omega Seamaster Planet Ocean 21 mm bracelet- brand new | never worn

Omega Seamaster Planet Ocean 21 mm bracelet- brand new | never worn

Omega - Planet Ocean $575
Selling a brand new Omega Planet Ocean with a stainless steel bracelet that has never been installed.

  • Condition: Brand new / never worn
  • Bracelet width: 21mm
  • Payment methods: Zelle, PayPal
Posted at
Jan 19, 2026, 12:44 PM
Active
[WTS] OMEGA SEAMASTER PLANET OCEAN 600M GMT CERAMIC - 215.92.46.22.01.004 - EXCELLENT - BOX/ PAPERS

OMEGA SEAMASTER PLANET OCEAN 600M GMT CERAMIC - 215.92.46.22.01.004 - EXCELLENT - BOX/ PAPERS

OMEGA - 215.92.46.22.01.004 $7,571
A powerhouse professional diver crafted in black ceramic featuring 600m water resistance, GMT functionality, and Omega's Master Chronometer movement built for extreme performance and precision.

  • Condition: Excellent
  • Case: 46mm diameter
  • Dial: Black
  • Bezel: Black
Posted at
Jan 18, 2026, 2:05 PM
Active
[WTS] 2021 Omega Seamaster Planet Ocean 600M 43.5mm Black Orange Mint Full Set

2021 Omega Seamaster Planet Ocean 600M 43.5mm Black Orange Mint Full Set

Omega - 215.32.44.21.01.001 $5,495
A modern professional dive watch engineered for serious diving while remaining refined enough for everyday wear.

  • Condition: Like New
  • Year: 2021
  • Water Resistance: 600m
Posted at
Jan 18, 2026, 12:24 PM
Active
[WTS] Omega Seamaster Planet Ocean Chronograph full kit

Omega Seamaster Planet Ocean Chronograph full kit

Omega - 215.30.46.51.01.001 $4,999
2023 model year Omega Seamaster Planet Ocean Chronograph featuring jump hour capabilities, chronograph functions, and helium escape.

  • Condition: great shape with minor wear
  • Water resistance: 600m
  • Diameter: 45.5mm
Posted at
Jan 18, 2026, 11:32 AM
Active
[WTS] Omega Seamaster Planet Ocean 2200.50 - 45.5mm

Omega Seamaster Planet Ocean 2200.50 - 45.5mm

The Omega Seamaster Planet Ocean 2200.50 is a fantastic piece that's perfect for those who want a James Bond-style watch.

  • Condition: great, very minimal wear
  • Case size: 45.5mm diameter
  • Wrist fit: up to 7.5 inch wrist
Posted at
Jan 17, 2026, 4:54 PM
Active
[WTS] OMEGA Seamaster Planet Ocean 6000M Ultra Deep "Summer Blue" Ref. 215.30.46.21.03.002 - ULTIMATE SET! 馃敟$12,500馃敟

OMEGA Seamaster Planet Ocean 6000M Ultra Deep "Summer Blue" Ref. 215.30.46.21.03.002 - ULTIMATE SET! 馃敟$12,500馃敟

OMEGA - 215.30.46.21.03.002 $12,500
The OMEGA Seamaster Planet Ocean 6000M Ultra Deep Ref. 215.30.46.21.03.002 is a commercially available version of the watch originally developed for the Five Deeps Expedition, featuring water-resistance to an astounding 6,000 meters and powered by the Co-Axial Master Chronometer Calibre 8912.

  • Condition: UNWORN
  • Water resistance: 6000m depth rating
  • Case size: 45.5mm diameter
  • Material: O-MEGASTEEL
Posted at
Jan 16, 2026, 8:15 PM
Active