Seiko Cal. 7156 - 613

This Automatic model from 1979 features a 35mm PVD Black case. With its 21mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-231240422f76]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1979

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