Seiko Cal. 4542 - 957

This Spring Drive model from 1977 features a 46mm PVD Black case. Powered by the 4542 caliber with 19j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-087e4aa183b5]

Also known as: Rally, Bellmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

9.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

150m

Dial Color

Burgundy

Jewels

19j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1977

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