Rare! Seiko Sportsmatic SONY Collaboration Vintage

Is this a Sony novelty item?1501717-jewel automatic windingCase diameter is about 36mm excluding the crownBelt is aftermarketThe crystal has damage around the 5 o'clock positionOperation has been confirmed for about half a day on a flat surface, but the overhaul history is unknownIt's a 1960s vintage automatic watch.It has a reasonable amount of wear and tear for its age, but it's a very rare item.If you are interested, please consider it. outstanding for everyday use. premium materials and excellent craftsmanship ensure long-lasting durability.