Seiko Cal. 7157 - 691

The Seiko 7157-691 represents an important milestone in Seiko's 1971 lineup. With its 21mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-b1e68cf843e2]

Also known as: Pogue, Emperor

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

White

Jewels

36j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1971

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