Seiko Cal. 4421 - 814

This Spring Drive model from 1973 features a 45mm PVD Black case. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-045fa56ba183]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1973

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