Seiko Astron SSH053 GPS Solar Black Dial Casio G-Shock MR-G GPS Atomic Solar Hybrid MRG-B2000SH best of all

best of all

Crown: Screw-Down Crown

the pinnacle of the G-SHOCK lineup

HEART BEAT

Seiko Astron SSH053 GPS Solar Black Dial Casio G-Shock MR-G GPS Atomic Solar Hybrid MRG-B2000SH best of allCaliber Number 5X53 Movement Type GPS solar Accuracy 15 seconds per month (without receiving a GPS signal and at temperatures between 5C and 35C ) Duration Operating for approx. 6 months (when fully charged), power save: approx. 2 years Case Material Stainless steel (super hard coating) Crystal Dual curved sapphire Crystal Coating Super clear coating LumiBrite Lumibrite on hands and indexs Clasp Three fold clasp with push button release Water