Well the Poseidon went belly up, so not sure what's in a name since this watch looks bullet proof.
Poseidon takes Reactor toughness to a whole new level with a 1000M depth rating and ISO Professional Diver certification. Dual rotating bezels allow timing of overall dive time and safety stops while the bold dial design is easy to read under any conditions.
• Reactor DNA
• Forged, solid 316L stainless steel
• Internal & external rotating bezels
• 10-year lithium power cell
• Bracelets feature wetsuit expander
• 1000M/3300Ft depth tested
LIMITED EDITION FEATURES
• Numbered limited edition of 500 pcs.
• Self-charging auto quartz movement
• Exhibition caseback with logo'd rotor
• Interchangeable bracelet & rubber strap
• Never Dark® dial illumination
• Case diameter: 48mm
• Thickness: 17mm
• Weight: 255 grams
• Width at lug: 34.7mm
• Width at clasp: 22mm