Brand: Seiko Model: Seiko Seikomatic-P 5106-8020 Reference: 5106-8020 Gender: Men Period: 1970s Movement: Automatic, 33 jewels Case: Stainless steel Bracelet: Black leather strap, a non-original replacement, with steel buckle Dial: White with baton markers and day/date window at 3 o'clock Accessories: None Description: This Seiko Seikomatic-P is a 1970s automatic with a high 33-jewel movement, marked SEIKOMATIC-P and 33 JEWELS on the white dial below the centre. The dial carries slim baton markers with a day/date window at three o'clock, showing the day in English. The stainless steel case has a screw-down crown and a polished bezel. The watch is currently fitted with a black leather strap, a later replacement rather than the original bracelet, closed by a steel buckle. The case back is marked WATER 70M PROOF, STAINLESS STEEL and the reference 5106-8020. A well-specified vintage Seiko automatic, supplied on its own. The watch is supplied on its own; no box, manual, or warranty card is included. The strap is a non-original replacement. The quick-change day/date function does not advance correctly; the day and date can only be set by moving the hands around the dial. The automatic movement is running at the time of listing; power reserve and long-term accuracy have not been measured. • Case width: approximately 37 mm • Wrist size: approximately 15–20 cm Measurements are approximate and may vary slightly due to manual measurement. Condition: Seller's internal condition grade: A A: Very good condition with slight signs of use. The watch is running at the time of inspection. Long-term accuracy has not been tested. Calendar and additional functions operate normally if present. No maintenance history is provided unless stated. Authentic item sourced from Japanese professional reuse market. Returns accepted only if the item differs from description. Shipping & Customs: Shipped from Japan by FedEx or EMS with full tracking and insurance. Dispatched within 1 business day after payment is received. Import duties, taxes, and customs clearance procedures are the responsibility of the buyer according to the regulations of the destination country. The recipient may be required to contact the shipping carrier to complete customs procedures. The item will be carefully packed with protective materials to ensure safe international delivery. Internal Condition Rank Guide: SA = Like new AA = Very clean, minimal signs of use A = Good condition with light signs of use AB = Noticeable signs of use B = Heavily used Seller memo: Internal control number AR-0820P97A-1-J25 Product identification (PID) for customs: 0820P97A-1 / SEIKO / 5106-8020 / Wrist watch / stainless steel case, leather strap / used