GPS Solar Quartz Chronograph caliber 8X53.  No Batteries to Change. 

GPS Solar Quartz caliber 8X22. No Batteries to Change. 

GPS Solar Quartz caliber 8X22. No Batteries to Change. 

GPS Solar Quartz caliber 8X22. No Batteries to Change. 

GPS Solar Quartz caliber 8X22. No Batteries to Change. 

GPS Solar Quartz caliber 8X22. No Batteries to Change. 

GPS Solar Quartz caliber 8X22.  No Batteries to Change. 

Eco-Drive Quartz movement, 180-Day Power Reserve. The thinnest light-powered watch in the world. Only 4,5 mm

B035 Eco-Drive Quartz movement. Charges in Sunlight or Indoors - No Batteries to Change - Ever!  7 months Power Reserve.

B035 Eco-Drive Quartz movement. Charges in Sunlight or Indoors - No Batteries to Change - Ever!  7 months Power Reserve.

Eco Drive Quartz caliber F900 satellite timekeeping movement. Charges in Sunlight or Indoors. No Batteries to Change.1,5 Years Power Reserve

Eco Drive Quartz caliber F900 satellite timekeeping movement. Charges in Sunlight or Indoors. No Batteries to Change.1,5 Years Power Reserve