Thank you for viewing. 【Deadstock Unused】CITIZEN Eco-Drive 100270 E100-K17637 Men's 38mm 10 ATM Water Resistant Working This is a deadstock, unused men's wristwatch from CITIZEN Eco-Drive. It is currently working correctly. 【Product Details (Actual item, back cover engraving confirmed)】 ・Brand: CITIZEN ・Series: Eco-Drive (Light-powered) ・Case Number (Back Cover): 100270 ・Caliber/Reference: E100-K17637 ・Movement: Quartz (Solar) ・Case Size: Approximately 38mm (excluding the crown) ・Water Resistance: 10 ATM ・Display: Date and Day of the Week (Japanese) ・Material: Stainless Steel ・Wrist Size: Approximately 20-21cm ・Gender: Men's ・Condition: Unused / Deadstock / Working ・Accessories: Original tag (Tag indicates: Price including tax ¥17,325 / Body ¥16,500) ⸻ 【Back Cover Engraving】 CASE No.: 100270 CAL.: E100-K17637 GN-4W-S ST. STEEL ASSEMBLED BY CITIZEN WATCH CO IN KOREA Although there is no exact manufacturing year listed, based on the model number system, tag information, and design, it is believed to be a model from the late 1990s to the early 2000s. ※ This is an estimated indication and is not definitive. 【Condition】 Although it is an unused item, there may be very slight storage scratches due to long-term storage. Please check the photos and consider purchasing.