Casio G-Shock Classic GDX6900HT-4 Eterna Super Kontiki Limited Edition 1973 - Ref. 1973.41.41.1230 The H-31 is a powerful

The H-31 is a powerful automatic chronograph movement featuring an extended 60-hour power reserve

Khaki green dial with 3-D pressed pattern

and no mechanical watch can retain its accuracy in these conditions

Screw-Back Case

and a black dial with 1/1000 second chronograph that measures up to 24 hours

Casio G-Shock Classic GDX6900HT-4 Eterna Super Kontiki Limited Edition 1973 - Ref. 1973.41.41.1230 The H-31 is a powerfulThe G SHOCK Heathered series consist of a seven colorways designed in a vibrant array of colorful hues melded with a heather fabric print that results in an interwoven speckled pattern. Module: 3420 Battery Life: 10 Year Battery Construction: Shock Resistant Water Resistant: 200M LED: Auto LED (Super Illuminator) Backlight with Afterglow Flash Alert: Flashes with buzzer that sounds for alarms, hourly time signal, countdown timer progress beeper and