Seiko Cal. 5644 - 475

The Seiko 5644-475 represents an important milestone in Seiko's 1990 lineup. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-5ba2dc7baad9]

Also known as: Monster

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

37mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

100m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1990

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