Seiko Cal. 4557 - 547

This Spring Drive model from 1973 features a 40mm PVD Black case. Powered by the 4557 caliber with 19j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-eadc279fcce8]

Also known as: Monster, Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

19j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1973

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