hmmmcamu
814
SEIKO 6309
SEIKO 6309-7049
aka: TURTLE
Introduced in 1976 through 1988 (13 year run) - Seiko dive watches have a long history with the U.S. Special Operations community, and U.S. Naval Special Warfare units.
Model variants:
SEIKO 6306-7000/1 JDM (Japanese domestic market only) 21 jewel automatic with hacking feature and Kanji date wheel
SEIKO 6309-7040/9 for export 17 jewel automatic non- hacking feature
Dial variants:
The SUWA Factory Logo
1976-1980 “Suwa logo dial”
1980 and 1988 “Non-Suwa logo dial”.
additional dial variant -
SEIKO 6306-7000/1 JDM Suwa logo dial with "SCUBAPRO 450" sponsorship dial.

CHIPS TV series A SEIKO 6309 and Frank Poncherello (Ponch)
Available on the marketplace

Vintage
Jay (Eire) · Apr 20, 2020
Explore the vintage Seiko 6105-8000 diver, its history, design, and collector appeal. A detailed look at the original 6105 reference.
12 replies13034 views

Vintage
hieraklion · Jan 29, 2020
Explore the Seiko 6105-8110 'Captain Willard' diver, its Vietnam War history, and comparison with the SLA033 reissue. A must-read for Seiko collectors.
9 replies11300 views

Review
reintitan · Jan 22, 2016
Detailed review of the new Seiko SRP777, SRP775, SRP773, SRP779 divers. Discover upgrades like the 4R36 movement, drilled lugs, and improved strap, blending vintage charm with modern tech.
8 replies2429 views

Vintage
hmmmcamu · Oct 27, 2023
Explore the Seiko 6309-7049 Turtle dive watch, its 1976-1988 production, JDM vs. export variants, and dial differences. A collector s guide to this iconic reference.
5 replies2405 views

Community
cazalea · Jan 16, 2021
Cazalea's '77 Walks With Seikos' summary: a unique project blending watch collecting with outdoor exploration. Revisit the journey.
15 replies254617 views

Vintage
hmmmcamu · Oct 24, 2023
Explore the Seiko 6309-729A F1 "Slim Turtle" diver. Learn about its 1982 production, slimmed-down case, Pepsi bezel, and how to spot an authentic dial.
1 replies9697 views