Poseidon SE7EN
The Next Generation Rebreather
Developed from the world’s first recreational rebreather, the legendary Poseidon MKVI, the Poseidon SE7EN gives you 7 Next Generation Benefits:
Poseidon SE7EN TEC Edition Packages:
- Poseidon SE7EN Rebreather
- Poseidon M28 Computer - CCR Ready
Incl. Connecting Cable M2 1.25m.
- Counter Lung 60m Pack
- Cylinder Inversion Kit
- 11 inch adapter complete
QR adapter so that your SE7EN Rebreather can be quickly attached or detached from the Poseidon Rebreather BCD.
- Battery Module - Deep 100 (Black)
- Rebreather Wing WRB
Include Harness w. Backplate for RB Wing.
- 3 L 300 bar Steel Cylinder with tank valves
- Cylinder Valve G5/8" Single 200 Bar 90° (Diluent).
- Cylinder Valve M26 Single 200 Bar 90° (Oxygen).
- Tank Belt MKVI / SE7EN.
- SE7EN RB handle

In a world full of compromise, we escape by visiting the one place that doesn’t; the ocean.
Yet when we get there, we are forced to compromise. Not any more…
Designed, built and tested to perform in all conditions, the Poseidon SE7EN is the next generation rebreather. Safety, performance, ease of use and desirability are combined to enable divers of all abilities to experience the underwater world without compromise.
Whether you want to get closer to marine life, spend much more time underwater, dive deeper or simply enjoy the bubble-free silence, the Poseidon SE7EN is the smartest, fastest, safest way to dive.
The Poseidon SE7EN – one day, all rebreathers will be like it.
The Next Generation Rebreather!
Developed from the world’s first recreational rebreather, the legendary Poseidon MKVI, the Poseidon SE7EN gives you 7 Next Generation Benefits:
- G7 Inside
Generation 7 electronics open up endless possibilities for interaction, accessories and apps. Entirely new internal hardware driven by a new generation of firmware makes the SE7EN faster, flexible and reliable in any diving environment.
- Bluetooth Connectivity
Download your dive logs in seconds, update your settings and interact effortlessly with your POSEIDON SE7EN, all using Bluetooth.
- Dive Management System
Enjoy enhanced interaction with your rebreather. The upgraded configuration tool interacts with your POSEIDON SE7EN via Bluetooth, allowing you to make configuration changes in moments. See your dive logs in far greater detail and much more. Better still, it’s now Mac compatible!
- Recreational or 100M Technical Rebreather
The Poseidon SE7EN can be whatever you want it to be! You can use the SE7EN as a Recreational Rebreather or as a 100M-rated Technical Rebreather; it’s your choice! Poseidon’s industry-leading upgrades give you the ultimate recreational and technical rebreather flexibility.
- Enhanced Service & Support
Poseidon already has class-leading reliability and technical support, but the Poseidon SE7EN makes service and support even easier and more convenient. Automatic dive log downloads to support via Bluetooth, combined with detachable displays and sensors mean that support is even faster and more convenient than before!
- Upgraded Mouthpiece
The best rebreather mouthpiece just got even better! A new system keeps the bail-out valve locked in place in closed or open circuit, while still enabling simple switches from closed to open circuit.
- Cover
Protective, desirable and functional in equal measures, the cover on the Poseidon SE7EN has a built-in handle and trim weight system, along with grab and lighting rails.
Developed from the world’s first recreational rebreather, the legendary Poseidon MKVI, the Poseidon SE7EN gives you 7 Next Generation Benefits. Read more...