Seiko Cal. 7156 - 641

This Spring Drive model from 1983 features a 40mm Stainless Steel case. With its 22mm lug width and 13.3mm profile, it sits comfortably on most wrists. [seikata-wm-5e8f46311a6f]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

13.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Navy

Jewels

31j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1983

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