Seiko Cal. 4578 - 983

The Seiko 4578-983 represents an important milestone in Seiko's 1989 lineup. It features a Cream dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-d49786571da6]

Also known as: Sumo, Navigator

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

12.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

170m

Dial Color

Cream

Jewels

27j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1989

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