Seiko Cal. 3890 - 371

Released in 1976, the Cal. 3890 with design code 371 was part of Seiko's domestic market collection. With its 21mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-9d2cc060ceb5]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Silver

Jewels

23j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1976

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