Seiko Cal. 5690 - 427

The Seiko 5690-427 represents an important milestone in Seiko's 1988 lineup. With its 21mm lug width and 12.1mm profile, it sits comfortably on most wrists. [seikata-wm-6d1488e17746]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

12.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1988

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