Seac Sub APNEA HR Computer Watch

Seac Sub APNEA HR is a watch and computer for freediving and spearfishing with HR treatment (high resistance anti-scratch treatment of the glass) and sturdy anti-breakage strap.

Specific algorithm for freediving
The Apnea algorithm serves to prevent the onset of Taravana disease and reminds when to hydrate the tissues.

Alarms
Depth alarms are all easily set by the user and can be turned off.

Battery
Interchangeable battery CR2450, readily available

Steel ferrule
Sturdy steel ferrule. Anti-break rubber strap.

-MSST function: (minimum surface recovery time).
-Dive/Ascent rate, temperature, total dive time and depth, all on the same screen.
-LCD screen with adjustable contrast and backlighting intensity. Light and sound alarms that can be deactivated.
-Pedometer.