Seiko 5740 Movement Details

Seiko caliber 5740 is a hand winding watch movement produced from around 1964 until 1978.
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Sub-brands: Lord Marvel
Day / date?No
GMT / world time?No
Chronograph?No
Hacking?No
Rate:36,000 bph
Number of jewels:23
Size / diameter:27.6mm
Development division:Suwa (Nagano)
Notes:5740A has a beat rate of 18,000 bph while the 5740B has a beat rate of 19,800 bph. The 5740C (from around 1966) used in the Lord Marvel range was the first Japanese movement to have a "hi-beat" rate of 36,000 bph.
Related movements: 3180 44 560

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