"Eco-Drive" solar powered generating system, meaning that there is no need to ever change batteries;
Caliber: J810, Made in Japan
240 Days month power reserve when fully charged.
Date Display
Eco-Drive (recharged by any light source, no need to change battery)
Insufficient Charge Warning Function
Overcharge Prevention Function
Case: Stainless Steel
Size: 34.8mm
Thickness: : 8.7mm
Weight: 91g
Water Resistant: 10bar / 100M
Band: Stainless Steel Bracelet
Glass: Mineral Crystal
Dial : Black