[Introduction] The Citizen Attesa series represents the pinnacle of Citizen’s advanced engineering, combining lightweight titanium construction with practical high-performance functionality. This model, Ref. E610-T016251, features a refined green dial with a sporty chronograph layout, powered by Citizen’s renowned Eco-Drive technology, eliminating the need for regular battery replacements. [Historical & Collector Value] The Attesa line is highly regarded among collectors for its early adoption of titanium cases and solar-powered movements. Designed as a premium domestic line in Japan, Attesa models reflect Citizen’s commitment to precision, durability, and forward-thinking technology. This reference is particularly appealing due to its balanced chronograph design and understated yet distinctive dial color, making it a versatile collectible for both daily wear and long-term ownership. Specifications ◇Brand: Citizen ◇Model: Attesa Eco-Drive Chronograph ◇Reference Number: E610-T016251 ◇Movement: Eco-Drive solar quartz (Cal. E610) ◇Case Material: Titanium ◇Bracelet Material: Titanium ◇Case Size: Approx. 42 mm (excluding crown) ◇Functions: Chronograph, date display, 24-hour indicator, tachymeter bezel ◇Dial Color: Black ◇Crystal: Sapphire ◇Water Resistance: As per original factory specification ・Condition The watch shows visible signs of use consistent with age, including scratches and wear on the case and bracelet. These are cosmetic only and do not affect functionality. Dial, hands, and crystal remain clear and well-preserved. Please refer carefully to the photos for an accurate representation of the condition. ・Service History The watch has undergone maintenance and full operational checks, and all functions are currently working properly. However, please note that a full overhaul (OH) may be required in the future depending on the buyer’s standards and usage. This is clearly stated to ensure transparency and peace of mind for collectors. ・Shipping & Customs The watch will be shipped securely with tracking and insurance. International buyers are responsible for any customs duties, VAT, or import taxes imposed by their country.