Long Nguyễn Thanh on Instagram: “Seiko Presmatic Hi beat 27 jewels , Cal.5146-7060. All original parts with good condition. OH already ( serviced ). Price 350$ with include…”
1969 Seiko Presmatic 5146-5011 Hi-beat movement
A technical tour de force: Seikomatic-P | Adventures in Amateur Watch Fettling
Seiko Presmatic 1970s Vintage 36mm Made in Japan in United States
Long Nguyễn Thanh on Instagram: “Seiko Presmatic Hi beat 27 jewels , Cal.5146-7060. All original parts with good condition. OH already ( serviced ). Price 350$ with include…”
Seiko Presmatic Day and Date High-Beat 28800 5146-7080 Serviced for $324 for sale from a Seller on Chrono24
5106-9000] Seiko Presmatic and vintage orange case : r/Seiko