Seiko Cal. 5690 - 142

The Seiko 5690-142 represents an important milestone in Seiko's 1979 lineup. It features a Black dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-b4785ce709c7]

Also known as: Tuna, Helmet

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Black

Jewels

35j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1979

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