Seiko Cal. 3894 - 628

The Seiko 3894-628 represents an important milestone in Seiko's 1979 lineup. Powered by the 3894 caliber with 30j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-6471d0bebad5]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Black

Jewels

30j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1979

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