Seiko Cal. 4421 - 987

This Spring Drive model from 1990 features a 44mm Gold-Plated case. With its 18mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-6522ce55e75e]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Navy

Jewels

33j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1990

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