Seiko Cal. 4557 - 742

This Quartz model from 1975 features a 44mm PVD Black case. Powered by the 4557 caliber with 33j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-c04eb959dcc7]

Also known as: Monster, Navigator

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

44mm

Case Thickness

12.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1975

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