G-Shock GA100CF-1A9Specifications Case bezel material: Resin Resin Band Magnetic Resistant Shock Resistant Mineral Glass 200 meter water resistance LED light Auto light switch, selectable illumination duration (1. 5 seconds or 3 seconds), afterglow World time 29 time zones (48 cities + coordinated universal time), daylight saving on off, Home city World time city swapping Stopwatch 1 1000 second stopwatch Measuring capacity: 99: 59'59. 999'' Measuring modes: Elapsed

This is the OG of big-time style

battery life: 10 years Module 2548 Size of case: 52

Hourly time signal

World time38 time zones* (38 cities + coordinated universal time)

This model is done in a choice of light gray or dark gray

A filter further protects against the invasion of mud

Other: Auto switching to elapsed time measurement (up to 60 minutes

- 1 second (after 60 minutes)

and to use an app for simple selection of one of 3

add additional center lugs that lessen the load on the band pins

average pace

Sunrise time and sunset time for specific date