Seiko Cal. 4578 - 101

The Seiko 4578-101 represents an important milestone in Seiko's 1989 lineup. Powered by the 4578 caliber with 33j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-42225dddd91e]

Also known as: Bullhead, Navigator

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

41mm

Case Thickness

14.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

110m

Dial Color

Black

Jewels

33j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1989

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