Seiko Cal. 5657 - 797

The Seiko 5657-797 represents an important milestone in Seiko's 1968 lineup. With its 19mm lug width and 12.8mm profile, it sits comfortably on most wrists. [seikata-wm-31f5b31f1142]

Also known as: Sumo, Rally

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

12.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

Champagne

Jewels

26j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1968

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