Seiko Cal. 4577 - 959

The Seiko 4577-959 represents an important milestone in Seiko's 1987 lineup. With its 20mm lug width and 13.1mm profile, it sits comfortably on most wrists. [seikata-wm-db2af8b776fc]

Also known as: Tuna, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

13.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

Cream

Jewels

31j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1987

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