Seiko Cal. 7157 - 460

This Spring Drive model from 1971 features a 36mm Hardlex-Coated Steel case. With its 22mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-58de4f65ab86]

Also known as: Helmet, Navigator

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

9.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Green

Jewels

17j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1971

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