Bio-based resin with mineral glass; Made in Thailand; FIDLOCK® buckle closure with adjustable band; G-SHOCK shock-resistant construction and 200-meter water resistance; 1/100-second stopwatch Approx. battery life: 5 years on CR2016; LED backlight (Super Illuminator) LED:White; Flash alerts with buzzer that sounds for alarms, hourly time signals, countdown timer time up alarm; Accuracy: 15 seconds per month; Revolve Style No. CASI-ML101; Manufacturer Style No. DW5600MNC8A2