Seiko Cal. 4578 - 854

This Quartz model from 1972 features a 34mm PVD Black case. Powered by the 4578 caliber with 17j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-1cbd623870a2]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

34mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Navy

Jewels

17j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1972

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