[Introduction] The Citizen Eco-Drive Radio Controlled is a high-performance titanium sport timepiece that seamlessly blends cutting-edge Japanese technology with refined everyday styling. Featuring a clean silver dial accented by polished stick indices, faceted hands, and a practical day-date window at the 3 o'clock position, this watch offers exceptional legibility.截.速. Crafted from Citizen's proprietary Duratect base titanium, it delivers an incredibly lightweight yet scratch-resistant wearing experience, making it a versatile and sophisticated companion for the modern professional. [Historical & Collector Value] This timepiece represents a major milestone in advanced light-powered and atomic timekeeping technology from Citizen's historic lineup. Powered by the reliable Eco-Drive system, it continuously charges from any light source, while its advanced radio-controlled functionality ensures pinpoint atomic accuracy by automatically synchronizing with regional time signals. Featuring the iconic Eco-Drive globe emblem embossed on the caseback, this model stands as a celebrated testament to Japanese horological innovation and sustainable technical mastery from the late 20th and early 21st centuries. Specifications ◇Brand: Citizen ◇Model: Eco-Drive Radio Controlled ◇Reference: H100-S098355 ◇Case size: 38mm ◇Movement: Solar Quartz ◇Case material: Titanium (Duratect) ◇Dial: Silver ◇Functions: Radio Controlled, Day-Date ◇Bracelet / Strap: Titanium bracelet ◇Clasp: Fold-over clasp ◇Water resistance: 10 BAR ◇Country of manufacture: Japan ・Condition Clean overall condition with light signs of age and normal wear. The proprietary Duratect titanium case and integrated link bracelet show minor micro-scratches and character from handling consistent with careful use, while the crystal and dial remain crisp. ・Service History The watch has been checked for basic operation and is functioning properly via Eco-Drive solar charging and radio synchronization at the time of listing. As with any pre-owned solar quartz watch, future maintenance may be required depending on usage and the buyer’s standards. ・Shipping & Customs Ships from Japan, carefully packed, international shipping available, customs duties/taxes are the buyer’s responsibility.