Seiko Cal. 6634 - 635

This Hand-Winding model from 1968 features a 34mm Titanium case. With its 18mm lug width and 9.4mm profile, it sits comfortably on most wrists. [seikata-wm-915abe7ad9fc]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

34mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Burgundy

Jewels

24j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1968

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