I am in the military and would like to know if this watch uses the 8-10 digit military grid reference system or only Lat/Long for the GPS?

Tech Specs:

Material:

[Housing] plastic; [Strap] rubber 

Altimeter:

Yes 

Barometer:

Yes 

Heart Rate Monitor:

No 

Chronograph:

Yes 

Thermometer:

Yes 

Digital Compass:

Yes 

Adjustable Declination:

Yes 

Mapping:

Yes 

Computer Compatible:

Yes 

Low Battery Indicator:

Yes 

Waterproof:

Water-resistant 

Backlight:

Yes 

Alarms:

Time and altitude 

Battery Life:

Not specified 

Size:

Large 

Weight:

2.6oz (74g) 

Recommended Use:

Skiing, mountaineering, backpacking, hiking, biking, and more 

Manufacturer Warranty:

2 Years 

Country of Origin:

Finland