Eco-Drive Chronograph Watch CA0840-87E Tissot CS It maintains its performance to

It maintains its performance to a pressure of 30 bar (300m/1'000ft)

eliminating the need to replace watch batteries

Power reservePower reserve up to 80 hours

Band width 20 mm

Case diameter 31 mm

Eco-Drive Chronograph Watch CA0840-87E Tissot CS It maintains its performance toCalibre No. B612 Maximum run time from full charge(Normal Use Condition) Approximately 7 months Movement Eco Drive Signal Reception Without Radio Reception Function Strap Stainless Steel Water Resistant Water Resistant to 10 bar Weight 148g Thickness 11. 5mm Case Size 43mm Case Stainless Steel Glass Sapphire Glass Warranty 3 years warranty Specification 24hrs and Date Display Chronograph Eco Drive (recharged by any light source, no need for regular