Omega Seamaster Planet Ocean Seamaster Planet Ocean 600M Co-Axial 42 Stainless Steel / Diamond / White / Alligator
Reference 232.18.42.21.04.001
About this watch
The Omega Seamaster Planet Ocean 600M Co-Axial 42 is a stunning blend of elegance and functionality, featuring a 42mm stainless steel case with a rotating bezel and sapphire crystal glass. This luxury timepiece boasts exceptional water resistance of 600 meters, making it perfect for professional divers. The automatic movement, Omega caliber 8500, operates at 25,200 vibrations per hour and features a Co-Axial escapement for enhanced accuracy and longevity. With a power reserve of 60 hours, this watch is reliable and precise, certified as a chronometer after rigorous testing. The white dial with mixed indexes provides a fresh aesthetic, complemented by an alligator leather strap that enhances the overall elegance of the watch. Whether you're attending a formal event or diving into the deep blue, this watch is versatile enough to adapt to any situation.
Key Features
- 42mm stainless steel case
- Rotating bezel with 0-60 (Dive) markings
- Sapphire crystal glass for scratch resistance
- Omega caliber 8500 automatic movement
- Co-Axial escapement for enhanced accuracy and longevity
- Water resistance of 600 meters (2000 feet)
- Chronometer certified after rigorous testing
Specifications
- Brand
- Omega
- Family
- Seamaster Planet Ocean
- Model
- Seamaster Planet Ocean 600M Co-Axial 42 Stainless Steel / Diamond / White / Alligator
- Reference
- 232.18.42.21.04.001
- Movement
- 8500
- Movement Features
-
- Hours, Minutes, Seconds
- Date
- Chronometer, Co-Axial Escapement
- Case
- Stainless Steel 42mm
- Dial Color
- White
- Crystal
- Sapphire
- Water Resistance
- 600
Current Listings
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

Omega Seamaster Planet Ocean 600M 215.33.40.20.03.001 39.5MM Blue Dial B&P
Up for sale is an Omega Seamaster Planet Ocean 600M with a blue dial and ceramic bezel, featuring a leather strap and accompanied by its box and papers.
- Condition: Excellent
- Case size: 39.5MM diameter
- Water resistance: 600M depth rating
OMEGA Seamaster Planet Ocean 600M 215.30.40.20.03.002 Summer Blue w/BOX & PAPERS
This OMEGA Seamaster Planet Ocean 600M features a Summer Blue dial and is available with its original box and papers.
- Condition: Good preowned condition, minor hairline scratches on bracelet
- Size: 39.5mm diameter
- Bezel material: Ceramic Bezel Insert
- Crystal material: Sapphire Crystal

2020 Omega Seamaster Planet Ocean Big Blue 45.5mm 215.92.46.22.03.001 Blue Dial
This is a 2020 Omega Seamaster Planet Ocean Big Blue, a combination GMT and divers' watch with a blue ceramic dial featuring an orange GMT track.
- Condition: like new
- Case size: 45.5mm
- Material: blue ceramic dial, 18K white gold hands and indexes
- Strap: adjustable rubber strap
Omega Seamaster Planet Ocean Ultra Deep 6000M Summer Blue 2025
For sale is a NEW Omega Planet Ocean Ultra Deep Summer blue, complete with all manufacture box and papers.
- Condition: Unworn
- Water Resistance: 6000m depth rating
- Case Size: 45.5mm diameter
- Bracelet Material: O-MEGASTEEL
OMEGA Seamaster Planet Ocean 600M Full Set Black Orange 44mm 215.32.44.21.01.00
The Omega Seamaster Planet Ocean is a robust and sophisticated watch that combines diving functionality with elegant design, featuring a black dial and a unidirectional rotating bezel.
- Condition: Excellent (with scratches on case sides)
- Bracelet material: black and orange rubber
- Case size: 44mm diameter
- Case material: stainless steel