This is the Seiko Grand Quartz 9943-8020. This is a vintage quartz wristwatch manufactured in the 1970s. Condition: Operation confirmed. Calendar adjustment: Possible. Day adjustment: Possible. As it is approximately 50 years old, it shows signs of age. Crystal: No noticeable scratches, in relatively good condition. Please refer to the photos for details. Band size: One size fits all, adjustable up to approximately 19 cm (see images). Please note that there may be slight discrepancies between wrist size and watch band length. Thank you for your understanding. Features: ★★★ Equipped with a high-precision movement known as Twin Quartz at the time. ★★★ Dial: Gold dial with snow-grain pattern. Extremely rare. ■High Precision: Equipped with two quartz crystals. ■Error Correction: Corrects errors caused by temperature changes, achieving high precision on an annual level. ■Functions: Includes day-date display. ★★★Shipping Information: To ensure the highest quality, your item will be carefully packed and shipped in a box. We generally ship via DHL or Japan Post. ※Please note that customs duties may be incurred once the item arrives in your local area, so please be aware of this. ※Your country's customs or shipping company may contact you by phone or email regarding customs clearance. Please make sure you can answer the phone. We sincerely hope that your item arrives safely and that you are satisfied with it. We appreciate your understanding and cooperation in order to ensure a smooth transaction.