Omega Seamaster Planet Ocean 45.5mm Co-Axial 8500

Up for your consideration is my Omega Seamaster Planet Ocean with the coveted 8500 movement and a massive 45.5mm case. This example is in GREAT used condition and is being offered double boxed w/ cards!

**please refer to my photos for an accurate representation of condition and capture everything that will come with your purchase


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This Planet Ocean is a BEAST… Coming in at 45.5mm and a hefty 215grams you won’t forget the incredible timepiece that’s on your wrist. The Ceramic Orange bezel does a great job captivating it’s audience to stare into its black dial. 

Powered by Omegas in house Co-axial 8500 movement that boast a date indicator, 60h power reserve, and 600m Water Resistances you will never have to worry about keeping track of your time! This gorgeous movement is easily viewed through a display case on the underside of the watch!

Despite its size, this example wears extremely comfortably on Omegas 3-link stainless steel bracelet which features a sturdy double trigger folding clasp with a divers extension!

Scope of Delivery

  • Omega Seamaster Planet Ocean 
  • Omega Wooden Inner box
  • Omega White Outer Box
  • Omega Travel Pouch
  • Omega Card Holder
  • International Warranty
  • Pictograms 


Reference number: 23230462101002

Original Purchase Date: 05/19/2017

Case Size: 45.5

Water Resistance: 600m/60ATM

Power Reserve: 60h

Movement: Co-Axial 8500 Automatic 

Crystal: Domed Scratch Resistance Sapphire (front and back)


  • Uni-Directional Rotating Bezel
  • Date Indicator
  • Helium Escape Valve
  • Screw-in Crown


I will only accept cash or wire. NO PayPal, Venmo or CashApp!


Watch will be well packed and shipped via FedEx 2-Day shipping — insured and adult signature required. Shipping is included in asking price.


I have PLENTY of references buying/selling/trading luxury watches across multiple platforms that I will happily provide upon request. Please deal with confidence!!

Vendor Information

  • Store Name: Horology101
  • Vendor: Horology101
  • Address: Roopville, GA 30170
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