Casio G Shock G Steel GST B400 Series Black Round Dial Men's Watch GSTB400BB-1A
Item Specification
Glass
Mineral Glass

Resistance 200m Water-Resistance, Shock resistance, Carbon core guard Structure 
Power Supply/Battery Life Solar Powered, Battery level indicator 
Band Resin
Timer Countdown Timer, Measuring unit :1 second, Countdown range: 60 Minutes 
Weight 80gm
Light Color LED White 
Case Size 
46.6X49.6X12.9mm

Case back Screw lock back
Surface treatment Black ion plated case
Other Functions
World Time(38 Time Zones) Stop watch5 Daily Alarms, Hourly time signal, 12/24 hour format, Mute Feature, Smartphone Link Feature

Accuracy: +/- 15 seconds/month