Seiko Cal. 3890 - 285

This Hand-Winding model from 1971 features a 44mm Hardlex-Coated Steel case. With its 21mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-ac8dcab626ff]

Also known as: World Timer, Flighty

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

12.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

White

Jewels

25j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1971

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