From L to R : Seiko Diver 6105-8110 "Apocalyse Now" (Feb 1973) Seiko Diver 6309-7040 (May 1984) Seiko Diver 200M SRP043K1 "Spork" bearing the initials "PH", stand for "Passion Horlogère", a french association of watched enthusiast. It was a joint venture ...