Seiko 5740 movement

Type:Manual
Sub-brand:Lord Marvel
GMT/world time?No
Chronograph?No
Rate:18000, 19800, 36000 bph
Number of jewels:23
Movement size:12½” (27.6 mm)
Notes:5740A had a beat rate of 18,000 bph. The 5740B had a beat rate of 19,800 bph. The 5740C (from 1967) used in the Lord Marvel range was the first Japanese movement to have a hi-beat rate of 36,000 bph.
Related movements: 3180 560

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