Seiko Cal. 5663 - 970

The Seiko 5663-970 represents an important milestone in Seiko's 1984 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-e3616ad95a9c]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1984

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