SEIKO Diver 7548(PYH) Instruction Manual 150m Water Resistance - Vintage This is the instruction manual for the SEIKO Diver 7548(PYH) with 150m water resistance. It's a vintage item, and it's quite valuable just to have it. Considering its age, the condition is also good. I believe there are enthusiasts looking for this, so I hope you'll take this opportunity to purchase it. I will carefully and securely package the item for shipping. Also, the color of the actual item may slightly differ from the photos depending on the environment. This is a USED item, so please purchase only if you understand this. Thank you very much.