Seiko 6309-7049 “Turtle” — Fully Serviced, Hacking & Jeweled Upgrade
Original price was: $725.00.$650.00Current price is: $650.00.
Seiko 6309-7049 “Turtle” — Fully Serviced, Hacking & Jeweled Upgrade
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Seiko 6309-7049 “Turtle” — Fully Serviced, Hacking & Jeweled Upgrade
A fully serviced Seiko 6309-7049 “Turtle” diver upgraded with a hacking conversion and jeweled movement enhancement.
Built to be worn and verified at the bench, this example emphasizes reliability and functional improvement while
retaining the classic 6309 tool-watch character.
Built to be worn and verified at the bench, this example emphasizes reliability and functional improvement while
retaining the classic 6309 tool-watch character.
Video overview
Restoration overview and bench documentation of this Seiko 6309-7049.
Highlights
- Reference: Seiko 6309-7049 “Turtle”
- Movement: Seiko 6309A automatic diver caliber, fully serviced
- Upgrade: Hacking seconds conversion (6306A center wheel bridge and hack)
- Upgrade: Jeweled movement enhancement (6306A train bridge with barrel arbor jewel; jewel also on mainplate)
- Bracelet: Miltat stainless steel bracelet
- Performance: Verified at the bench (see photos below)
Performance Photos
Timegrapher readings shown below are provided for transparency, all positions in photo gallery. Mechanical watch performance may vary with position, wear, and environment.
Condition & Authenticity Notes
- Relume: Dial and hands have been re-lumed.
- Dial: Visible residue present in the center area and around the 5 o’clock marker (see photos).
- Case exhibits honest vintage wear consistent with age; no artificial refinishing.
- Case geometry preserved; surfaces not aggressively reworked.
- All functions operate as designed, including hacking after conversion.
Restoration Summary (From the Bench)
This 6309-7049 received a complete movement service with inspection, cleaning, and correct lubrication, followed by
functional verification and regulation. A hacking conversion was installed to enable stop-seconds time setting, and
a jeweled enhancement was applied to reduce wear at select movement contact points.
functional verification and regulation. A hacking conversion was installed to enable stop-seconds time setting, and
a jeweled enhancement was applied to reduce wear at select movement contact points.
- Complete movement disassembly, cleaning, and inspection
- Correct lubrication applied throughout
- Regulation and verification at the bench
- Hacking seconds conversion installed and tested
- Jeweled movement enhancement installed and verified
Note: Water resistance cannot be guaranteed due to age. Pressure testing is recommended prior to water use.
What’s Included
- Restored Seiko 6309-7049 “Turtle” with hacking & jeweled upgrade
- Miltat stainless steel bracelet
- Listing digital picture set upon request
Shipping & Handling
- Carefully packed and boxed
- Insured shipping with signature & tracking
- Domestic U.S. shipping
Second Tour Timeworks — restored to be worn, verified to be trusted.







































































