Seiko Cal. 6633 - 912

The Seiko 6633-912 represents an important milestone in Seiko's 1967 lineup. With its 22mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-c13215c63fc0]

Also known as: Shogun, Helmet

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1967

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