Seiko Cal. 4428 - 583

This Spring Drive model from 1974 features a 40mm PVD Black case. It features a Burgundy dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-a93f06ba6ca6]

Also known as: Monster, Rally

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

14.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Burgundy

Jewels

26j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1974

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