Seiko Cal. 5657 - 177

This Kinetic model from 1980 features a 37mm Stainless Steel case. With its 20mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-1bb77bfe33ae]

Also known as: Helmet, Silverwave

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

White

Jewels

22j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1980

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