This is the Seiko Brightz 8B54-0AA0. This is a highly practical solar-powered radio-controlled watch. ■Condition: Operation confirmed There are some minor scratches. This is not a new item, so please check the photos to confirm the condition before purchasing. ■Band Size: Approximately 17cm ★★★Features Radio-controlled solar: Charges with light and adjusts the time via radio waves, eliminating the need for battery changes or time adjustments. Always keeps accurate time. ※※Although this watch features an automatic time adjustment function, radio wave reception may not be possible in some locations. We recommend checking in advance whether radio wave reception is available in your area. ★★★Even if you are in an area where radio wave reception is not possible, you can manually adjust the time. For specific instructions, please visit the Seiko website. Other Features: ■Dual Time Function: Simultaneously display the time in two different regions. ■World Time Function: Easily switch between the time in 25 cities around the world. ■Day Display: The retrograde day display adds a touch of design. High-Quality Materials and Water Resistance ■Case Material: Durable stainless steel is used. ■Water Resistance: 10 ATM water resistance, allowing for everyday use. ★★★Shipping Information: To ensure the highest quality possible, your watch will be carefully packaged and shipped in a box. We usually ship via DHL or Japan Post. ※※ Please note that customs duties may be incurred upon arrival at your destination. ※※ Your country's customs or shipping company may contact you by phone or email regarding customs clearance procedures. Please be sure to answer the phone. We sincerely hope that your item arrives safely and to your satisfaction. We appreciate your understanding and cooperation in ensuring a smooth transaction.