Pre-owned vintage Seiko Lord Marvel 36000 Ref. 5740-8000 Mechanical Watch. This was Seiko's first hi-beat 36,000 watch. Historically important. Overall, this watch is in very good condition. Recent service. 

- Ref: 5740-8000
- Serial No./Year: 848538/1968
- Case:
    35mmdiameter, 19mm lug width, 9.9mm thickness, 41.7mm Lug-to-lug.
    Stainless Steel
- Caliber: 5740C Manual
- Power Reserve: ~42hr
- Frequency: 36,000Vph
- Crystal: Plexiglass/Acrylic
- Accuracy & Movement Health: 
    Measured Accuracy: +21 sec/day.
    Amplitude: 249 deg
    Beat Error: 0.2ms
- Band: Replacement Leather Band
- Water Resistant: No
- Condition: Very Good. Recent service.
- Made in Japan