Seiko Cal. 5285 - 631

This Spring Drive model from 1983 features a 34mm Stainless Steel case. It features a Cream dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-e5140b339e83]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Cream

Jewels

35j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1983

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