Seiko Cal. 5677 - 158

This Automatic model from 1972 features a 37mm Hardlex-Coated Steel case. With its 19mm lug width and 12.6mm profile, it sits comfortably on most wrists. [seikata-wm-1aa45bf32f0d]

Also known as: Turtle, Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

12.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1972

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