Seiko Cal. 4480 - 930

This Spring Drive model from 1987 features a 37mm PVD Black case. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-b9921105e6ed]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1987

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