Seiko — Turtle

150m DIVER 6309-7040

Produced 1979. Seiko 150m DIVER Ref.6309-7040 (reference 6309-7040), a 43.7 mm watch introduced in 1979; now discontinued.

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Seiko 150m DIVER 6309-7040
Reference6309-7040
BrandSeiko
FamilyTurtle
Produced1979
StatusDiscontinued
Editorial context

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Seiko nicknames — 7 min readTurtle, Tuna, Sumo: the Zoo Seiko Started PrintingSeiko still engraves 6309-7040 and SBDC001 on the caseback. Collectors asked for a Turtle or a Sumo instead, and some of the factory's own shops now sell the zoo under those names.

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