Seiko Cal. 6628 - 161

This Spring Drive model from 1983 features a 37mm Stainless Steel case. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-17b416da8667]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1983

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