Seiko Cal. 5657 - 447

The Seiko 5657-447 represents an important milestone in Seiko's 1975 lineup. With its 19mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-a56f607114ca]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

10.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

150m

Dial Color

Champagne

Jewels

28j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1975

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