Suunto Eon Core

Product code: SECOR
  • Now £565.00
Item out of Stock | Usually dispatched within 24 hours

SUUNTO EON CORE -Outstanding readibility with full customization

The compact Suunto EON Core is a great dive companion whether you are just beginning diving or an active diver exploring new depths.  

The key details of your dive are easy to read from the clear color display with large, prominent digits, This fully-featured and customizable dive computer is your reliable partner no matter if you’re exploring shipwrecks or admiring the colorful marine life.

Read all the important diving details at a glance from a clear, legible screen. 
Large numbers and texts with high contrast colors are easy to see even in murky waters or when diving at night time.

Suunto EON Core is ready out-of-the-box, but you can modify the features as you like to fit your own needs with the Suunto CustomDisplay™. 
Choose from different view styles and select the dive details you want to see. 
Updatable software makes Suunto EON Core a loyal diving partner for years to come.
The lightweight, compact composite case with an elastomer strap (or bungee) is comfortable on any size of a wrist. 
Press large buttons easily with or without gloves. Conveniently re-charge the battery through USB.

• Easy to read
• Customizable and updatable
• Compact and comfortable
• Wireless connectivity

• Water resistance 80 m (262 ft)
• Customizable color screen with large digits
• Rechargeable battery, 10 - 20 h per charge
• Wireless mobile connectivity
• User-updatable software
• Gauge/Air/Nitrox/Trimix/CCR (fixed point)
• Multiple tank pressure reading (with Suunto Tank POD)
• Tilt compensated 3D digital compass



• High contrast color screen with large numbers
• Always-on LED backlight
• Visually intuitive, consistent presentation
• Classic, graphical and prominent view styles

• Lightweight
• Rechargeable battery (10-20 hours of dive time with one charge)
• Use with strap or bungee (bungee sold separately)
• Simple and easy-to-use interface
• Flip display

• Customize features with Suunto CustomDisplay™ in Suunto DM5
• User-updatable software

• Wireless tank pressure readings from up to 10 Suunto Tank PODs
• Connect over Bluetooth to Suunto Movescount App
• Keep a diary and share your adventures and photos in Suunto Movescount
• Plan and customize easily with Suunto DM5

• Gauge/Air/Nitrox/Trimix/CCR (fixed point)
• Suunto Fused™ RGBM for maximizing dive time
• No-decompression dive planner
• Tilt compensated 3D digital compass
• Guaranteed to 80 m depth

Bezel material: Composite
Glass material: Mineral crystal
Case material: Reinforced composite
Strap material: Elastomer
Weight 154 g / 5.43 oz
Water resistance 80 m (ISO 6425, EN 13319)
Battery life in time mode 2 months
Firmware upgradable
Battery type rechargeable lithium-ion
Time, date
Stopwatch timer
Languages EN, CS, DA, DE, ES, FI, FR, IT, JA, KO, NL, NO, PL, PT, RU, SV, ZH
Backlight LED
Configurable backlight
Flip display
Display type color TFT
Display resolution 320 x 240
Battery indicator  icon + dive hours remaining
Metric and imperial units
Smartphone compatibility iPhone, Android
Connectivity (between devices) inductive, Bluetooth Smart
Compatible with Suunto Movescount
Compatible with Suunto Movescount App
Compatible with DM5
Log transfer Wireless / USB cable
Compatible with Suunto Movescount
Digital compass
Tilt compensation up to 45°
Declination correction
Direction scale degrees
Needle compass rose
Globally balanced
Bearing lock with direction indicator
Compass accuracy +/- 10°
Compass resolution

Operating temperature 0° C to +40° C / +32° F to +104° F
Storage temperature -20 ° C to +50 ° C / -4° F to +122° F
Recommended charging temperature 0° C to +45° C / +32° F to +113° F
Maximum operating depth (EN 13319) 80m
Rebreather (CCR), fixed point
Trimix (mixed gas)
Nitrox (and air)
Dive time 0 to 999 min
Surface time 0 to 100 h
No fly time
Safety Stop
Deep Stop
Ascent time display 0 - 999 min ( > after 999)
CNS/OTU (OLF) calculation
Wireless air integration optional (up to 10 different tanks with Suunto Tank POD)
Gas time
Gas consumption (real-time)
Decompression model SUUNTO FUSED RGBM
Custom displays 4 per dive mode
Personal adjustment  from -2 to 2
Altitude adjustment 0 - 300 m / 300 -1500 m / 1500 - 3000 m
Gases up to 10 gases (Oxygen 5 - 99% / Helium 0 -95%)
Gas max pO2 manual 0.5 - 1.6 / fixed 1.6
Gas switching
No-decompression planner
Logbook memory 200 h
Logbook bookmarks
Logbook sampling rates 10 s
Dive History lifetime
Visual style Classic/Graphical/Prominent


A heritage of reliable sports instruments
Suunto is a leading designer and manufacturer of sports precision instruments for
diving, training, mountaineering, hiking, skiing and sailing. Prized for our intuitive design, accuracy and dependability, our precise instruments combine the aesthetics and functionality of watches with sport-specific computers that help athletes at all levels analyze and improve their performance.

Suunto has channelled its engineering processes and sporting passions into designing the best instruments for the most challenging conditions. Whether divers, mountaineers, runners or other athletes, and regardless of skill level, the Suunto user community is bonded by a common passion for performance and design. Suunto products and services provide accurate and reliable guidance about our users’ environment and their bodies, and inspire them to push their limits and get the most out of their active lifestyle.


 Free UK Mainland Delivery on orders of £50.00 and above

Take advantage of our free UK Mainland delivery offer when you spend £ 50.00 or more*

1st Class and Parcelforce 48 Services will be free for UK Mainland postcodes ( Parcelforce 48 Excludes Highlands / Islands, Northern Ireland (Parcelforce) and Channel Islands

Parcelforce 24, and Special Delivery services are excluded from this offer

( *Weights & Cylinders excluded from offer)

We reserve the right to withdraw the offer at any time


UK Mainland Ist Class Royal Mail

Approx delivery time between 1 - 3 Days

Special Delivery

Next Working Day Before 1pm
Express Delivery Times

Special Delivery & Parcelforce 24 are Next Working Day ( Mon-Friday )
Saturday Guaranteed Delivery is available on request
Call 01642 486666 for a quote

Airmail Europe

Approx 2-10 Days Depending on destination
Parcelforce Euro Priority - Up to 25kg
If in doubt, just contact us and we can let you know a timescale
Depending on country, this service can take anywhere between 3 and 6 days on average

Returns Policy / Faulty Products

Denney Diving is committed to providing the highest quality products and service. However, on rare occasions products may be found to be faulty or defective. If any product is found to be faulty or have defects upon delivery, You will be entitled to a free of charge replacement or full refund (including postage fees incurred) within 30 days of receiving product. If a product is returned to us, and following the testing process, the product is found to be in good working order without defect or fault, we will return the product to you. All returns must first be authorized by either telephone or e-mail, after which you will be given a returns number which must be quoted with all returned goods. Any goods returned for either exchange or refund can only be dealt with after a authorization number has been issued.

Returning unsuitable or incorrectly sized goods

If a product you purchase from us turns out to be unsuitable or the incorrect size for you, we will provide a free of charge replacement or full refund, provided they are returned in a new & unused resalable condition within 7 working days of the date of receiving your order. When returning goods to us, the customer will incur any postage fees. If we arrange to collect the goods for you, the cost of our postage to do so will be deducted from the refund. Please note that we do not refund postage for unsuitable or incorrectly sized goods.

Cancellation Period

You may cancel your order within 7 working days to receive a full refund. To cancel all, or part of your order, You must first contact us by either telephone or e-mail, after which you will be given a returns number which must be quoted with all returned goods. A full refund will be provided within 7 working days of cancellation.

When returning goods to us, the customer will incur any postage fees. If we arrange to collect the goods for you, the cost of our postage to do so will be deducted from the refund.

General returns / faulty product information

We always aim to please, so if you are not entirely satisfied with your purchase- just give us a call 01642 486666 (calls charged at local rate), and we will do our utmost to help. Your statutory rights remain unaffected. For all Returns / Customer Support contact us on 01642 486666 (calls charged at local rate)

Order Processing

We try to dispatch most orders the same day if received before 4pm (Monday-Friday)

On the odd occasion we may run out of stock of certain products, but normally have more stock arriving every few days.

If a product ordered is out of stock, we will contact you asap to let you know of any shortage.

On certain occasions we may not be re-stocking / discontinuing an out of stock item ordered, and on this occasion we will contact you to let you know and either offer an alternative or cancel for a full refund.

If we have mistakenly under priced an Item, we will not be liable to supply that item to you at the stated price, provided that we notify you before we dispatch the item for you. In these circumstances, we will notify you with the correct price so you can decide wether you wish to cancel or continue with the item at the correct price

Please contact us for more information regarding Payment & Security

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