Seiko Cal. 4451 - 646

This Spring Drive model from 1976 features a 38mm PVD Black case. It features a Cream dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-12a0769a581f]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

8.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Cream

Jewels

30j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1976

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