Citizen ‘Chandler’ Eco-Drive watch. For a rugged look with a comfortable fit, this military-inspired watch fits the bill. A 1-second Chrono that measures up to 60 minutes, this features 12/24 hour time, 39mm screw-back case, and 100M WR. A black dial provides a backdrop for bold Arabic numerals, luminous hands & date, in a stainless steel case with green strap & patterned stitching. Featuring our Eco-Drive technology powered by light, any light. Never needs a battery!