Seiko Cal. 4578 - 479

This Quartz model from 1975 features a 38mm PVD Black case. Powered by the 4578 caliber with 24j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-03e6152e1644]

Also known as: Monster, Helmet

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

38mm

Case Thickness

9.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Burgundy

Jewels

24j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1975

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