Seiko Cal. 5631 - 282

This Spring Drive model from 1989 features a 44mm Two-Tone case. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-e3579a19b341]

Also known as: Helmet, Silverwave

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Cream

Jewels

18j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1989

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