Seiko Cal. 3890 - 978

The Seiko 3890-978 represents an important milestone in Seiko's 1966 lineup. It features a Champagne dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-bd149c1f359d]

Also known as: Monster

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Champagne

Jewels

32j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1966

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