Seiko Cal. 3889 - 712

This Quartz model from 1976 features a 36mm PVD Black case. With its 19mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-121127734720]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

36mm

Case Thickness

8.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1976

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