Halcyon

Halcyon Symbios Silver Handset Computer

Regular price £953.00 GBP
Sale price £953.00 GBP Regular price
Configuration
Usually with you within 7 working days. Need it sooner? Contact us

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Please contact us or put a note for pickup availability at Maritime House or Pool Locations.

Usually ready in 2-4 days

Halcyon Symbios Silver Handset Computer

Handset only
  • Maritime House

    Pick up available, usually ready in 2-4 days

    Maritime House
    Basin Road North
    Hove BN41 1WR
    United Kingdom

    07920516006

Halcyon Symbios Silver Handset Computer

The Symbios Silver is the full-featured wrist computer in Halcyon's Symbios system. It handles open circuit and rebreather diving, shows your team's data as well as your own, and links wirelessly to tank pods and CCR pods.

Choose the handset alone, or bundled with the HUD, the Tank Pod, or both. The bundled HUD and Tank Pod are the same items we sell separately as the Symbios HUD Dive Computer and the Symbios Tank Pod, so you can add them later.

  • 2.4 inch transflective colour display
  • OC, CCR, sidemount, gauge and buddy screen modes
  • 5 gases, ZHL16-C algorithm
  • Rechargeable battery with vibration alerts
  • Bluetooth app for settings and dive simulation

Before you order: choose your configuration. For rebreather diving you also need a CCR pod with the right connector for your unit.

Why divers choose the Symbios Silver

Decompression you can read at a glance

The Gradient Factor chart shows the leading tissue compartment and how every compartment is progressing.

A screen that works in any light

The transflective display is readable in direct sunlight without the backlight, with large numbers for quick recognition.

Your buddy's data on your wrist

A buddy screen shows your partner's PO₂ and oxygen pressure. In open circuit mode you can watch their gas supply.

Practise before it matters

Drive every function from the mobile app on land and simulate dives, then rehearse decompression in shallow water.

Features that matter underwater

Rebreather and bailout tools

With a CCR pod the handset connects wirelessly to supported rebreathers. It gives dual time-to-surface for CCR and bailout, single-action bailout control and switching between CCR and open circuit modes.

Patented trim indicator

Add the Tank Pod and the handset shows real-time position feedback.

Connects to your other kit

It links to GPS, buoys, DPVs, primary lights and gas analyzers.

Wireless rebreather connection needs a CCR pod, and connectors differ between rebreathers. Confirm yours before ordering, or contact us.

Why choose the Symbios Silver

Halcyon builds the Silver for dives with more equipment, more data and more decisions. For rebreathers, sidemount, multiple gases or team data, it is the Symbios handset to choose. The simpler Symbios Blue suits everyday diving.

Spend over £100 with us and you can bring your new kit to one of our instructor-run pool sessions for free, to get confident with it. It is not one-to-one coaching, so you dive it yourself, and kit that has been in the water cannot be returned.

Who is the Symbios Silver for

  • Rebreather divers who want wireless CCR data on the wrist
  • Technical divers running several gases or sidemount
  • Team divers who want buddy PO₂ and gas on screen

Which configuration? Handset only suits you if you already own a HUD and Tank Pod, or will add them later. With Tank Pod adds pressure and trim. With HUD adds a mask-mounted display. The HUD and Tank Pod combo is the full kit. The 30th Anniversary Edition includes the case, a bungee and a screen protector.

It may not suit you if you want simple everyday diving: compare the Blue or all dive computers.

How to get the best from the Symbios Silver

  • Pair the handset with the mobile app and set up gas and screen profiles.
  • Run simulated dives on land.
  • Pair any Tank Pod or CCR pod before the water.

Want help with setup? Contact us or come into store.

Specifications

Dive modes Multi-gas, OC, fixed or integrated CCR, integrated sidemount, gauge, buddy screen, large-format screen options
Number of gases 5 open circuit / closed circuit
Algorithm ZHL16-C
Display 2.4 in transflective full-colour, 320 x 240
Dimensions (W x H x D) 94.4 x 63 x 19.8 mm
Depth rating 120 m (394 ft)
Battery life Up to 30 hours at brightness level 5
  • Part numbers: handset only 13.001.004, with Tank Pod 13.001.006, with HUD 13.001.008, with HUD and Tank Pod 13.001.009, 30th Anniversary Edition 13.001.082

What's included

  • Symbios Silver handset with case
  • Tank Pod and/or HUD, depending on configuration
  • 30th Anniversary Edition: case, bungee and screen protector

Rebreather divers also need a CCR pod, and a HUD needs a mask clamp.

Frequently asked questions

"Can I add the HUD or Tank Pod later?"

Yes. They are the same products we sell on their own, so a handset-only purchase does not lock you out.

Does it work with my rebreather?

It connects wirelessly through a CCR pod, which comes in several connector types. Check which one you need on the CCR pods page, or ask us.

Buy the Halcyon Symbios Silver Handset Computer

The Silver is for divers whose kit has more going on than a basic computer can show.

Order yours or talk to an instructor first

Order online, or get in touch and we will help you choose.

Still exploring? Browse our dive computers or the technical diving range.