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 8500 Titanium 45.5mm 232.90.46.21.03.001
The Omega Seamaster Planet Ocean 8500 is a titanium-cased watch with a 45.5mm diameter and features a micro adjustable clasp.
- Condition: Excellent condition, light wear only
- Case material: titanium
- Clasp upgrade cost: $500
- Shipping method: FedEx

Like New Omega Seamaster Planet Ocean Orange 600 Mt. 43.5 mm 215.32.44.21.01.001 Co-Axial, Steel, Ceramic Bezel. Complete, November 2023. New Pric
This Omega Seamaster Planet Ocean Orange 600 Mt is a stylish and functional dive watch with a polished black ceramic dial, black ceramic bezel, and orange rubber accents. It features a self-winding movement with Co-Axial escapement and is certified as a Master Chronometer by METAS.
- Condition: Like New
- Case Size: 43.5 mm diameter
- Water Resistance: 600 Meters / 2000 Feet
- Movement: Calibre 8900, Self-winding with Co-Axial escapement
![[wts] Omega Seamaster Planet Ocean Blue 8900 43.5mm 215.30.44.21.03.001 UNDER WARRANTY](https://external-preview.redd.it/Ec1C7fcFwemZqGzVd0l0zGnGY_Yv7440LKUmzVk_4Lg.jpeg?auto=webp&s=113735f6161d75af5d6fd30c8c4036148b1c8478)
Omega Seamaster Planet Ocean Blue 8900 43.5mm 215.30.44.21.03.001 UNDER WARRANTY
This Omega Seamaster Planet Ocean Blue is a well-maintained timepiece with a 43.5mm case, featuring a factory warranty valid until September 2028.
- Condition: Excellent condition
- Warranty Valid Until: SEP 2028
- Includes Papers And Box: true

Pre-Owned Omega Seamaster Planet Ocean Ultra Deep 215.30.46.21.04.001
A pre-owned Omega Seamaster Planet Ocean Ultra Deep watch in 46mm O-MEGASTEEL case with automatic movement, white dial, and 6,000m water resistance.
- Condition: 94% condition, faint marks on sides and back of case, 96% condition for bracelet with faint marks on a few links
- Case Size: 46mm diameter
- Material: O-MEGASTEEL
- Dial Color: White
![[WTS] Omega Seamaster Planet Ocean 600m](https://external-preview.redd.it/B8RqHYFq8QUWB5zhvlLijmEIb93RE7jF-rLaVAxW82o.jpeg?auto=webp&s=e50b6e543cabfa26117d2e7bbaa140853ed4225d)
Omega Seamaster Planet Ocean 600m
The Omega Seamaster Planet Ocean 600m features a bright orange bezel and black dial with orange hour markers, powered by the Omega co-axial 2500 automatic movement.
- Condition: Mint, unpolished condition
- Water resistance: 600m
- Case size: Will fit wrist upto 7.5 inches
![[WTS] Omega Seamaster Planet Ocean 2201.50.00 42mm Black Dial Automatic](https://preview.redd.it/bhqdyju5857f1.jpeg?auto=webp&s=45f03efcd79e865ac263a847113d1821a97d839b)
Omega Seamaster Planet Ocean 2201.50.00 42mm Black Dial Automatic
A 42mm stainless steel Omega Seamaster Planet Ocean with a black dial and automatic movement.
- Condition: Very good condition overall, minor scratches from normal wear.
- Case size: 42mm
- Diameter: 40mm (movement)
- Depth rating: 600m/2000ft

Pre-Owned Omega Seamaster Planet Ocean Ultra Deep 215.30.46.21.04.001
The Omega Seamaster Planet Ocean Ultra Deep is a pre-owned watch in excellent condition, featuring an automatic movement and a white dial. It has a 46mm O-MEGASTEEL case and is water-resistant to 6,000 meters.
- Condition: 94% condition, with faint marks on the sides and back of the case, and a few links of the bracelet
- Case size: 46mm diameter
- Material: O-MEGASTEEL
- Dial color: White
![[WTS] Omega Seamaster Planet Ocean Orange 42mm 2209.50.00](https://preview.redd.it/hmr89y761y6f1.jpeg?auto=webp&s=0117ff99c54ac71462e565df589bbe3eda62fda6)
Omega Seamaster Planet Ocean Orange 42mm 2209.50.00
This Omega Seamaster Planet Ocean Orange is a 42mm stainless steel watch with an orange bezel insert and black dial featuring luminous markers and hands. It has an Omega Caliber 2500 Co-Axial Automatic movement and a water resistance of 600m.
- Condition: Excellent (minor signs of careful wear)
- Case Size: 42mm
- Water Resistance: 600m / 2000ft
- Movement: Omega Caliber 2500 Co-Axial Automatic

Pre-Owned Omega Seamaster Planet Ocean Ultra Deep 215.30.46.21.04.001
Pre-Owned Omega Seamaster Planet Ocean Ultra Deep, a 46mm automatic watch with a white dial and 6,000m water resistance.
- Condition: 94% (with faint marks on the sides and back of the case)
- Case size: 46mm
- Material: O-MEGASTEEL
- Dial color: White