Seiko Cal. 5657 - 781

The 5657-781 is a sought-after Spring Drive piece from Seiko's golden era. With its 19mm lug width and 11.5mm profile, it sits comfortably on most wrists. [seikata-wm-a0f19d3b68d2]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Champagne

Jewels

25j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1991

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