Seiko Cal. 7156 - 713

The Seiko 7156-713 represents an important milestone in Seiko's 1970 lineup. With its 21mm lug width and 13.0mm profile, it sits comfortably on most wrists. [seikata-wm-9fb37da15f5e]

Also known as: Sumo, Goldfeather

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

42mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

Navy

Jewels

29j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1970

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