Seiko Cal. 6620 - 558

This Automatic model from 1965 features a 37mm Two-Tone case. With its 21mm lug width and 14.7mm profile, it sits comfortably on most wrists. [seikata-wm-417a7afc82b7]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

14.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

31j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1965

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