Seiko Cal. 3890 - 678

The Seiko 3890-678 represents an important milestone in Seiko's 1971 lineup. It features a Cream dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-5c64de8fdcd9]

Also known as: Sea Horse

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Cream

Jewels

24j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1971

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