Sold at Auction: Men's Citizen Eco Drive WR200 Watch - Perpetual Calendar, Serial No. 060946, movement E710-H25683 TA, Case No., W.R.20 Bar, Solar powered.
Citizen Eco-Drive Stainless Perpetual Calendar E710-H24385 Case w/ Crown NOS | eBay
CITIZEN E710, E712 Eco-Drive Perpetual Calendar Full Service Tutorial | Assembly Disassembly - YouTube