GPS Solar Quartz Chronograph caliber 5X53.  No Batteries to Change. 

GPS Solar Quartz Chronograph caliber 5X53.  No Batteries to Change. 

GPS Solar Quartz Chronograph caliber 5X53.  No Batteries to Change. 

GPS Solar Quartz Chronograph caliber 5X53.  No Batteries to Change. 

Solar stopwatch function - 1/100 sec, 300-Lap/Split memory recall function.

Solar stopwatch function - 1/100 sec, 300-Lap/Split memory recall function.

Self-winding mechanical movement and date feature. Screw Caseback with crystal. Sapphire crystal.

Self-winding mechanical movement and See-through back. Screw Caseback. Sapphire crystal.

Self-winding mechanical movement and date feature. Screw Caseback with crystal. Sapphire crystal.

Self-winding mechanical movement and date feature. Screw Caseback with crystal. Sapphire crystal.

Self-winding mechanical movement and date feature. Screw Caseback with crystal. Sapphire crystal.

Self-winding mechanical movement, power reserve indicator and date feature. Screw Caseback with crystal. Sapphire crystal.