Seiko Cal. 7028 - 854

The Seiko 7028-854 represents an important milestone in Seiko's 1980 lineup. Powered by the 7028 caliber with 30j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-49de2f3ac991]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

46mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Cream

Jewels

30j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1980

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