This is a SEIKO Chronograph Flightmaster 7T92-0CF0. It's a Flightmaster model equipped with an aviation slide rule (flight computer bezel). Condition: Functional (tested and working) Chronograph function: Functional (tested and working) Time adjustment: Possible Day adjustment: Possible Crystal: No scratches. Overall, it has very few scratches or signs of wear and is in very clean condition. Please refer to the photos for details. Band: Genuine product Band size: Approximately 18.5cm (please refer to the images) *Please note that there may be slight discrepancies between wrist size and watch band length. Thank you for your understanding. Features: ★★★ Flightmaster-style design Pilot watch Slide rule bezel ② 100m water resistance Suitable for everyday use Suitable for sports use Highly practical ③ 7T92 movement High durability Few malfunctions ④ Dial features Blue sunray finish Red chronograph hand Aviation slide rule bezel Please refer to the instruction manual for operating instructions. https://www.seikowatches.com/jp-ja/customerservice/instruction?language=en ★★★ Shipping Information: To ensure the highest quality, we carefully pack and ship items in boxes. We generally ship via DHL or Japan Post. ※※Customs duties may be incurred upon arrival at your destination. Please be prepared to handle this. ※Regarding customs clearance, you may receive phone calls or emails from your country's customs or shipping company. Please ensure you are available to answer calls. We sincerely hope that your item arrives safely and that you are satisfied with it. Thank you for your understanding and cooperation for a smooth transaction.