Omega Seamaster Planet Ocean Seamaster Planet Ocean 600M Co-Axial 45.5 Master Chronometer Chronograph Stainless Steel / Sedna Gold / Blue / Alligator
Reference 215.23.46.51.03.001
About this watch
The Omega Seamaster Planet Ocean 600M Co-Axial Chronograph is a masterpiece that marries precision engineering with stunning aesthetics. This remarkable piece features a striking blue ceramic bezel and a lustrous Sedna gold case, making it a head-turner. The 45.5 mm round case is substantial yet comfortable on the wrist, suitable for both casual and formal settings. The watch boasts an exceptional movement, the Omega caliber 9900, which has received the new METAS certification for its precision and reliability. This automatic movement features a column wheel chronograph and a Co-Axial escapement, ensuring accurate timekeeping even when not worn for a couple of days. Its functionality includes hours, minutes, small seconds, date display, and chronograph capabilities, making it a versatile companion for any occasion. The rotating bezel is both a design element and a functional tool for divers, allowing easy tracking of elapsed time underwater. With a water resistance rating of 600 meters and a price tag of $15,300, this watch is an investment that offers excellent value for money. It's not just a timepiece; it's an heirloom, a conversation starter, and a piece of history.
Key Features
- Omega caliber 9900 movement
- Sedna gold case with stainless steel
- 600 meters water resistance
- METAS certified chronograph
Specifications
- Brand
- Omega
- Family
- Seamaster Planet Ocean
- Model
- Seamaster Planet Ocean 600M Co-Axial 45.5 Master Chronometer Chronograph Stainless Steel / Sedna Gold / Blue / Alligator
- Reference
- 215.23.46.51.03.001
- Movement
- 9900
- Movement Features
-
- Hours, Minutes, Small Seconds
- Date
- Chronograph, Column wheel
- Chronometer, Co-Axial Escapement
- Case
- 45.5mm
- Dial Color
- Blue
- Crystal
- Sapphire
- Water Resistance
- 600
Current Listings
![[wts] BNIB Omega Seamaster Planet Ocean Chronograph 9900 Black 215.30.46.51.01.001 45.5mm](https://preview.redd.it/wkbcx00jrbjf1.jpg?width=640&crop=smart&auto=webp&s=55f7ffca255f8ae5c3cd50f171d4b1e3bf15f15f)
![[wts] JUNE 2025 Omega Seamaster Planet Ocean Blue 8900 43.5mm 215.30.44.21.03.001 UNDER WARRANTY](https://preview.redd.it/debaqdzvlajf1.jpg?width=640&crop=smart&auto=webp&s=08a048c9e45c918ebe473edc0643dff72669d888)
![[WTS] Omega Seamaster Planet Ocean Diver Discontinued 37.5 mm Full Set in Mint Condition](https://preview.redd.it/b6u0rp78h2jf1.jpg?width=640&crop=smart&auto=webp&s=a5633c2da9956376500ffbd49730e9813694a89c)
![[WTS] Omega Seamaster Planet Ocean 600M Co-Axial 37.5mm (Ref. 232.30.38.20.01.002) – Full Kit $5000](https://preview.redd.it/fcxmcb4pmvif1.jpg?width=640&crop=smart&auto=webp&s=0a81f1d8b4b6c641d95f0698295b38f064988168)
Omega Seamaster Planet Ocean 600M Co-Axial 37.5mm (Ref. 232.30.38.20.01.002) – Full Kit $5000
A legendary dive watch from Omega's Planet Ocean line, featuring a black dial and unidirectional black ceramic bezel.
- Condition: Used, showing signs of wear consistent with use
- Case size: 37.5mm
- Case material: Stainless steel
- Bezel: Unidirectional, black ceramic
2021 Omega Seamaster Planet Ocean �Oreo� GMT -215.30.44.22.01.001 - BPs + Extra
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

Omega SEAMASTER PLANET OCEAN 600M STEEL SUMMER BLUE DIAL 39.5MM 2024 FULL SET
This is a 2024 Omega Seamaster Planet Ocean 600m in stainless steel with a blue ceramic bezel and brushed ceramic blue gradient dial.
- Condition: Excellent, unpolished condition
- Movement: Co-Axial Master Chronometer calibre 8900
- Water resistance: 600m
- Diameter: 39.5mm

Like New Omega Seamaster Planet Ocean Orange 600 Mt. 43.5 mm 215.32.44.21.01.001
The Omega Seamaster Planet Ocean is a high-end diver's watch featuring a polished black ceramic dial, orange rubber bezel, and a stainless-steel case with a 43.5 mm diameter.
- Condition: Like New
- Case Size: 43.5mm
- Case Thickness: 16.5mm
- Between Lugs: 21mm
Omega Seamaster Planet Ocean 600M - 232.63.46.51.01.001 - Red Gold - 45.5mm
This Omega Seamaster Planet Ocean 600M is a pre-owned watch with a 45.5mm case size, featuring an automatic chronograph movement and date display.
- Condition: Pre-Owned - Mint Grade
- Case size: 45.5mm diameter
- Bracelet type: Black w. Red Gold Deployant Buckle
- Material: Red Gold

Omega Seamaster Planet Ocean 600m 43.5mm
The Omega Seamaster Planet Ocean 600m is a robust and precise timepiece designed for extreme depths and everyday wear, featuring a stainless steel case, high-contrast black dial, and Co-Axial Master Chronometer movement.
- Condition: Good - shows some use
- Case size: 43.5mm
- Material: Stainless Steel
- Bezel material: Black Ceramic with Liquidmetal Diving Scale