Seiko Cal. 6391 - 447

This Hand-Winding model from 1966 features a 36mm Gold-Plated case. With its 21mm lug width and 13.9mm profile, it sits comfortably on most wrists. [seikata-wm-03244cdd3012]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

13.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Cream

Jewels

20j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1966

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