Seiko Cal. 4577 - 394

This Hand-Winding model from 1968 features a 42mm Two-Tone case. With its 22mm lug width and 13.1mm profile, it sits comfortably on most wrists. [seikata-wm-88d7ffdf34cd]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

13.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1968

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