Seiko Cal. 6151 - 422

The Seiko 6151-422 represents an important milestone in Seiko's 1977 lineup. With its 20mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-d541aa328a21]

Also known as: Sumo, UFO

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

32j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1977

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