Seiko Cal. 4578 - 635

The Seiko 4578-635 represents an important milestone in Seiko's 1980 lineup. The Coin-Edge bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-f3054a82489e]

Also known as: Golden Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

44mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1980

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