Body size width 38.3mm, height 39.4mm, thickness 8.66mm

weighs about 50g (including band section)

Waterproof everyday life waterproof

Band Material Normal Band: synthetic leather

Smooth leather band: Leather

Case back cover made of stainless steel

Accuracy ± 20 seconds per month difference

(If you have worn on the wrist in the temperature 5 ℃ ~35 ℃)

Operating temperature range -5 ℃ ~ + 50 ℃ (but display function is 0 ℃ ~ + 50 ℃)

Battery life of about three years (there is a difference depending on the operating conditions)

Use battery small lithium battery