Seiko Cal. 3890 - 121

The Seiko 3890-121 represents an important milestone in Seiko's 1984 lineup. With its 20mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-3572c9bc0e4d]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

45mm

Case Thickness

10.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

Cream

Jewels

35j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1984

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