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Mares Smart Apnea Freediving Computer Review: Reliable timing for freedivers

Mares Smart Apnea Adult Freediving Computer, Black and Green
4.8
[Digital Chronograph]  Backlit display for easy reading and precise timekeeping.
[20 ATM Water Resistance]  Water resistant to 20 ATM (200 m) for diving, swimming, and showering.
[Swiss Quartz Movement]  Reliable Swiss quartz ensures accurate, low-maintenance timekeeping.
[Daily Alarm & Hourly Signal]  Set daily alarms and hourly chimes for punctual reminders.
[Wide Temperature Range]  Operates -10°C to 50°C; stores -20°C to 70°C for extreme conditions.
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Freediving computer focused on dependable timing and clear, legible readouts, the Mares Smart Apnea Freediving Computer promises simple, rugged performance for breath-hold training. Confident control of surface intervals and session timing reduces anxiety before dives. Is this the right tool for serious freedivers and regular pool training?

⚡ At a Glance
  • Display Readability: Backlit digital chronograph with high-contrast digits for quick checks
  • Best for: Freedivers who prioritise dependable timing and clear underwater readouts
  • Not ideal for: Users who require advanced dive-computer features beyond timing and alarms

Backlit digital chronograph with Swiss quartz movement. Rated to 20ATM with a wide operating temperature range.


Clear readings in low light – With a backlit digital chronograph

Backlight illumination makes the digital chronograph display easier to read during dim surface conditions and underwater checks. Chronograph function records elapsed times for repeated breath-hold sets.

Quickly verify elapsed time and session progress during training and surface intervals without fumbling for details.

Resistant to high pressure – With 20ATM (293 PSI) water resistance

The 20ATM rating is supplied as 293 PSI of resistance, indicating robust sealing against external pressure at depth. Construction and sealing are designed to maintain function under intense underwater pressure.

Suitable for demanding freediving sessions where reliable casing resistance to pressure is essential for uninterrupted timing.

Accurate timing and reminders – With Swiss quartz movement and alarm functions

Swiss quartz movement provides stable and precise timekeeping, while the daily alarm and hourly signal enable scheduled reminders. Timing circuits and alarm indicators operate across the device's temperature range.

Precise timekeeping helps manage training schedules and surface intervals, while alarms offer consistent reminders during sessions.

✨ The 4 Key Reasons for Mares Smart Apnea Freediving Computer
  1. Swiss Quartz Movement – Consistent and precise timekeeping for accurate dive logs
  2. Daily Alarm & Hourly Signal – Set reminders for training sessions and surface intervals easily
  3. Backlit Digital Chronograph – Instantly legible readouts during low-light underwater conditions and quick elapsed-time checks
  4. Operating Temperature Range – Performs reliably from cold to hot environments without unexpected failure
📋 Technical Details at a Glance
  • Category: Freediving computer
  • Display: Digital chronograph with backlight
  • Water Resistance: 20 ATM / 293 PSI
  • Movement: Swiss Quartz Movement
  • Alarms: Daily alarm and hourly signal
❓ Frequently Asked Questions

Q: Is the unit suitable for deep freediving?

A: Water resistance is rated to 20ATM, noted as 293 PSI, indicating design for high-pressure underwater use.

Q: Does the chronograph have illumination for night or low-light dives?

A: Yes, the digital chronograph includes a backlight for easier reading of the display in low-light conditions.

Q: Can the device be used in extreme temperatures?

A: The operating temperature range is -10 °C to +50 °C, with storage tolerance from -20 °C to +70 °C.

🏆 Our Verdict

The Mares Smart Apnea Freediving Computer suits freedivers who want straightforward, reliable timing and robust construction for regular training. Swiss quartz movement, a backlit digital chronograph and a 20ATM rating make timing and basic reminders dependable in varied conditions. While budget priorities differ, durable build and accurate timing should deliver solid long-term value.