Seiko Cal. 7155 - 158

This Spring Drive model from 1979 features a 40mm Hardlex-Coated Steel case. With its 19mm lug width and 14.3mm profile, it sits comfortably on most wrists. [seikata-wm-bdd5405ff5e1]

Also known as: Shogun, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

14.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Champagne

Jewels

33j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1979

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