Seiko Cal. 5678 - 660

The Seiko 5678-660 represents an important milestone in Seiko's 1989 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-84a12c084641]

Also known as: Tuna, Pogue

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

12.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1989

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