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Some specifications for this reference are on file; the record is incomplete.

Seiko · Prospex

Turtle

Ref. 6306-7001

discontinuedJDM cushion diverPartially documentedLast reviewed Not yet reviewed

Reference photography not yet on file

The Japanese-market Turtle. Materially better specified than the export 6309: 21 jewels against 17, and a hacking seconds function the 6309 does not have. Substantially rarer outside Japan.

Some specifications for this reference require verification against manufacturer documentation.

At a glance

Brand
Seiko
Collection
Prospex
Reference
6306-7001
Production
1976–1982
Caliber
6306A
Case diameter
44mm
Case material
Stainless steel

Related references

Reference family timeline

Every generation in this lineage in production order. Spans are as documented; an open end means the reference is current or its end year is not established.

  1. 6306-7001

    Turtle · 6306A

    1976–1982This reference
  2. 6309-7049

    Turtle · 6309A

    1976–1988
  3. 6309-7040

    Turtle · 6309A

    1976–1988
  4. SRP777

    Turtle · 4R36

    2016
  5. SRPE05King Turtle

    Turtle · 4R36

    2020