Silver Eco-Drive ladies watch with a simple and elegant design. - Brand: Citizen - Color: Silver - Style: Ladies - Model Name: Eco-Drive Thank you for viewing. A vintage, likely automatic, Japanese Citizen watch, featuring a base metal YP case (likely brass plated), water resistance, and movement number 4530 698222M, is believed to have been manufactured around May 1990 (05/09). This indicates a classic, affordable yet well-built timepiece that holds a place in Citizen's history. The markings are as follows: CITIZEN WATCH CO. / JAPAN: Manufacturer and country of origin. WATER RESIST: Indicates standard splash resistance, not suitable for deep submersion. BASE METAL YP: The case is made of brass (base metal) and plated (YP - likely yellow plated/gold tone). 4530: The watch's movement caliber (internal mechanism). 698222M: The case's serial/production number, indicating the year of manufacture. 050903: Likely a manufacturing date code (May 1990, the 3rd observation of that day, or similar).