Product Description

SIRIUS HUNTER – The best computer for spearfishing and freediving.

The Mares SIRIUS HUNTER is a robust dive computer for spearfishing, designed for passionate underwater hunters.

Built to perform in any environment, it combines robust construction, advanced freediving features, and intuitive operation — the ideal companion for both freediving training and deep-water adventures.

Main features

• Extremely robust construction – reinforced case, high-strength materials, and tactile buttons for use in any underwater hunting condition.

• Large, crisp mineral glass screen – 1.3″ diagonal (33 mm), chip-on-glass technology for optimal visibility.

• Simple two-button menu — quick and intuitive navigation, even with gloves

• Freediving and pool training functions — stopwatch, countdown timer, lap timer, silent mode for total concentration

• Deep sequential alarms — developed for advanced equalization techniques

• Comprehensive freedive log — records up to 10 hours of profile at a sampling rate of 0.5 seconds; view dives in the Mares/SSI app.

• Bluetooth connectivity – update firmware, upload dives, and analyze graphs directly on your smartphone.

• User-replaceable battery (CR2450) – 200–300 hours of use

• Interchangeable straps – replace with elastic (sold separately)

• Watch functions for daily use – date, time, alarm, time zone

Why choose the SIRIUS HUNTER?

Whether you're training to improve your freediving performance or exploring deep-sea spearfishing locations, the SIRIUS HUNTER freediving computer offers reliability and accuracy you can count on.

Developed and tested by underwater fishermen, it reflects Mares' commitment to "Innovation with Purpose" – technology that connects you closer to the ocean.

«"Built by spearfishermen, for spearfishermen." – Paolo Acanti, Product Manager at Mares and passionate spearfisherman.