Seiko Cal. 6634 - 582

This Hand-Winding model from 1970 features a 39mm Hardlex-Coated Steel case. With its 18mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-672a87392229]

Also known as: Turtle, UFO

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1970

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