Seiko Cal. 7156 - 905

This Spring Drive model from 1969 features a 34mm Gold-Plated case. With its 22mm lug width and 14.7mm profile, it sits comfortably on most wrists. [seikata-wm-921c2563576c]

Also known as: Monster, Bullhead

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

14.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

26j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1969

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