Seiko Cal. 4578 - 927

The Seiko 4578-927 represents an important milestone in Seiko's 1984 lineup. It features a Black dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-4fb3e32fc6bd]

Also known as: Silverwave, Emperor

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

90m

Dial Color

Black

Jewels

24j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1984

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