Seiko Cal. 6635 - 772

The Seiko 6635-772 represents an important milestone in Seiko's 1966 lineup. With its 18mm lug width and 14.7mm profile, it sits comfortably on most wrists. [seikata-wm-4907882fd0bf]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

34mm

Case Thickness

14.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

110m

Dial Color

Cream

Jewels

21j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1966

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