Seiko Cal. 3890 - 144

Released in 1979, the Cal. 3890 with design code 144 was part of Seiko's domestic market collection. With its 21mm lug width and 15.5mm profile, it sits comfortably on most wrists. [seikata-wm-3cbc95dc0d39]

Also known as: Bullhead, Helmet

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Black

Jewels

36j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1979

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