When I bought this 6309-7290 it came with a pepsi bezel insert which was clearly aftermarket, replaced it with an 'original' today. What are your thoughts : r/Seiko
1977 Seiko 6309-7040 Automatic 150m Pro Diver “Turtle” (Suwa)
My birth year Seiko 6309-7040 with patina dial and ghost faded bezel : r/ Seiko
A Seiko 6309-7040 Part II | Adventures in Amateur Watch Fettling