Casio G-Shock - DWB5600 - SCI-FI World 38-40mm it uses a powerful Quartz

it uses a powerful Quartz movement mechanism which stays within 20 seconds accuracy per month

but maybe avoid lightning bolts

And with its 38 hours power reserve

with tolerances as low as 1/1000 of a millimeter

Black dial

Casio G-Shock - DWB5600 - SCI-FI World 38-40mm it uses a powerful QuartzTime travel into uncharted worlds with a bold design that transports you to near future sci fi sensations. Inspired by the pages of science fiction, the crisp and clean white design is accented with touches of blue and purple. The bezel is printed with glow in the dark paint that makes the G SHOCK logo appear in the dark. Choose from the classic digital DW B5600, the new digital analog combination GA B001, and the capsule tough G B001. All pair with