LM71240 Classic G-Shock illuminator watch,
G-Shock is dedicated to the ongoing pursuit of further advancement of the Classic G-Shock watch, considering every possible option to improve upon the product. G-Shock Classic Watches are a reflection of this pursuit in its purest sense.
- Shock Resistant 
- Alarm Chronograph 
- Mineral Crystal 
- Illuminator Backlight 
- Shock resistant (G-Shock) 
- Electro-luminescent backlight 
- 1/100 second stopwatch 
- Measuring capacity: 23 hours 59 minutes 
- Measuring mode: net time - split time - 1st-2nd place times 
- Countdown alarm input range: 1 minute to 24 hours 
- Measuring unit: 1 second 
- Auto-repeat function 
- Daily alarm 
- Hourly time signal 
- Regular timekeeping: hour - minute - second - am/pm - month - date - day 
- Auto-calendar (pre-programmed until the year 2039) 
- 12/24-hour formats 
- Accuracy: ± 15 seconds per month 
- Battery: Approx. 2 years on CR2016