SEIKO PROSPEX Solar Speedtimer Sapphire Chronograph SFJ003P1

Features
Solar powered generating system, meaning that there is no need to ever change batteries;
6 month power reserve when fully charged.
Caliber - Seiko 8A50 Solar powered  Chronograph quartz
Metal: Stainless Steel  
Size: 42mm
Thickness: 12.9mm
Weight: 152 g

Water resistant: 100M / 10 bar
BAND: Stainless Steel
Lugs: 20mm
Glass: Curved sapphire crystal
Dial: Black
One year International warranty