Seiko Cal. 5633 - 830

The Seiko 5633-830 represents an important milestone in Seiko's 1970 lineup. With its 18mm lug width and 11.7mm profile, it sits comfortably on most wrists. [seikata-wm-6e158c9d4141]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

46mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

17j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1970

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