Seiko Cal. 5680 - 938

This Spring Drive model from 1974 features a 42mm Gold-Plated case. With its 22mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-54de9c52d295]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Black

Jewels

29j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1974

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