Seiko Cal. 4578 - 945

The Seiko 4578-945 represents an important milestone in Seiko's 1983 lineup. It features a Silver dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-5044f6859e9e]

Also known as: Emperor, Arnie

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Silver

Jewels

31j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1983

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