Seiko Cal. 4478 - 485

This Kinetic model from 1988 features a 41mm PVD Black case. Powered by the 4478 caliber with 21j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-ae2677d4d516]

Also known as: Monster, Helmet

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

41mm

Case Thickness

10.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1988

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