Computer Hunter (Mares)

SIRIUS HUNTER – The Ultimate Spearfishing and Freediving Computer
The Mares SIRIUS HUNTER is a rugged spearfishing dive computer designed for passionate underwater hunters.
Built to perform in every environment, it combines robust construction, advanced freediving features, and intuitive operation — the ideal companion for both apnea training and deep-sea adventures.
Key Features

• • Extremely robust build – reinforced case, high-resistance materials, and tactile buttons for use in any underwater hunting condition
  • Large, clear mineral glass display – 1.3″ diagonal (33 mm), chip-on-glass technology for optimal visibility
  • Simple two-button menu – fast, intuitive navigation, even with gloves
  • Freediving training & pool functions – chrono, countdown, lap timer, silent mode for full concentration
  • Deep sequential alarms – developed for advanced equalization techniques
  • Comprehensive freedive logbook – records up to 10 hours of profile at 0.5-second sampling rate; visualize dives in the Mares/SSI App
  • Bluetooth connectivity – update firmware, upload dives, and review graphs directly on your smartphone
  • Interchangeable straps – replace with bungee (sold separately)
  • Daily use watch functions – date, time, alarm, time zone

Facts

• Battery type – CR2450
• Battery duration – Approx. 200 – 300 hours of diving
• Max. displayed depth – 100 m / 328 ft
• Ascent rate indicator (m/min – ft/min) – no
• Gas switching – no
• Stopwatch – yes
• Watch – yes
• Dual Time – no
• Daily Alarm – yes
• Plan Mode – no
• Choice of Metric / Imperial units – yes
• Fresh and Seawater Settings – yes
• Residual Nitrogen Reset – no
• Option To Exclude Audible Alarms – yes
• Exclusion of “Uncontrolled Ascent” – no
• Altitude Adjustment – yes
• Resolution – 0.1m until 99.9m and 1m at depth deeper than 100m. Resolution in ft is always 1ft
• Temperature – -10 °C to +50 °C / 14 °F to 122 °F
• Logbook Memory – 200 hours of dive profile at a 0.5-second sampling rate
• Clock – Quartz clock, time, date
• Upgradeable software – yes
• Air integrated – no
• Graphic and Numeric Tank Pressure – no
• USB Charger – no