Seiko JDM Quartz Diver 7548-7000
Original price was: $550.00.$500.00Current price is: $500.00.
Seiko JDM Quartz Diver 7548-7000
Purchase Options
Seiko 7548-7000 (JDM) — Kanji Day, Original Crystal & Band, Fully Serviced
A correct Japan-Domestic-Market Seiko 7548-7000 quartz diver featuring the original Kanji/English day wheel,
preserved original components, and a full mechanical and electrical service focused on long-term reliability.
Performance has been verified and documented at the bench.
preserved original components, and a full mechanical and electrical service focused on long-term reliability.
Performance has been verified and documented at the bench.
Video overview
Bench documentation and overview of this Seiko 7548-7000 JDM quartz diver.
Highlights
- Model: Seiko 7548-7000 (JDM)
- Movement: Seiko 7548 high-torque quartz diver caliber
- Day Wheel: Original JDM Kanji / English configuration
- Crystal: Original Seiko Hardlex crystal retained
- Band: Original Seiko band included
- Service: Fully serviced with new battery and fresh gaskets installed
- Regulation: Verified at 0.00 seconds per day
Condition & Authenticity Notes
- Honest vintage wear consistent with age; no artificial refinishing.
- Original dial, hands, crystal, case, and bezel assembly retained.
- Uniform patina visible in macro photography; no relume or cosmetic alteration.
- Case geometry preserved; surfaces not aggressively reworked.
- All functions operate as designed.
Restoration Summary (From the Bench)
This 7548-7000 underwent a complete service with emphasis on reliability and originality. The movement was fully
disassembled, cleaned, inspected, and reassembled with correct lubrication. Electrical contact points were addressed,
followed by functional testing and observation.
disassembled, cleaned, inspected, and reassembled with correct lubrication. Electrical contact points were addressed,
followed by functional testing and observation.
- Full movement disassembly and cleaning
- Calendar works serviced and verified
- Keyless works adjusted for crisp crown action
- New battery installed
- Fresh gaskets installed
- Quartz regulation verified at 0.00 seconds per day
Note: Water resistance cannot be guaranteed due to age.
About the Seiko 7548-7000
The Seiko 7548-7000 bridges the gap between the 6309 automatic diver and later professional quartz models. Produced
for the Japan Domestic Market, it retains the classic Seiko asymmetric case and durable tool-watch construction.
for the Japan Domestic Market, it retains the classic Seiko asymmetric case and durable tool-watch construction.
The high-torque 7548 caliber delivers excellent accuracy and durability when properly serviced, making it one of
Seiko’s most respected early quartz dive platforms.
Seiko’s most respected early quartz dive platforms.
What’s Included
- Restored Seiko 7548-7000 (JDM) watch head
- Original Seiko band
- Listing digital picture set upon request
Shipping & Handling
- Carefully packed and boxed
- Insured shipping with tracking
- Domestic U.S. shipping unless arranged in advance
Second Tour Timeworks — restored to be worn, verified to be trusted.
