Seiko Cal. 5668 - 158

This Hand-Winding model from 1971 features a 42mm Two-Tone case. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-28f7c5e6dee0]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1971

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