Seiko Cal. 5657 - 255

The Seiko 5657-255 represents an important milestone in Seiko's 1981 lineup. With its 21mm lug width and 9.6mm profile, it sits comfortably on most wrists. [seikata-wm-ffe591160884]

Also known as: UFO, Sea Horse

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

36mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

60m

Dial Color

Champagne

Jewels

21j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1981

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