Seiko Cal. 7157 - 428

This Spring Drive model from 1971 features a 34mm Hardlex-Coated Steel case. With its 22mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-848babe0f0aa]

Also known as: Shogun

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

8.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

White

Jewels

20j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1971

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