Seiko Cal. 4478 - 456

This Quartz model from 1981 features a 46mm Gold-Plated case. Powered by the 4478 caliber with 36j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-50b6b6a1a44f]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

13.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1981

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