Citizen Eco-Drive Perpetual Calendar – Cal. E870 – Sapphire Crystal – Men’s Watch Elegant and highly functional vintage-modern Citizen Eco-Drive wristwatch featuring the renowned E870 multifunction solar movement. This model combines classic dress watch styling with advanced Citizen technology including perpetual calendar, alarm, dual time and chronograph-style subdials. A very characteristic early 2000s Citizen design with excellent wrist presence. The watch is powered by light thanks to Citizen’s Eco-Drive technology and works properly. Specifications Brand: Citizen Model: Eco-Drive Perpetual Calendar Reference: E870 Movement: Citizen Cal. E870 Eco-Drive Quartz Functions: Perpetual calendar, alarm, dual time, date, 24-hour indicator Crystal: Sapphire crystal Case material: Stainless steel with gold tone finish Case diameter: approx. 41 mm Strap: Leather strap Clasp: Different/replaced clasp mechanism Water resistance: 100M (not tested) Condition The watch is in good vintage condition and fully functional. Please note: The case has age-related scratches and small impacts/dings consistent with normal use and age. The strap and clasp mechanism are not original to the watch. The clasp works properly and does not affect daily use. A collectible and elegant Citizen Eco-Drive model with one of Citizen’s most respected multifunction calibres. Please review all photos in detail and read all the explanations one by one. I do not want my customers to be disappointed by encountering an unexpected result. No water resistance test was performed. So we do not guarantee. Delivery time is only 5-7 days for Europe, approximately 7-10 days for other countries, The buyer is responsible for import VATs and taxes if it is necessary