Seiko Cal. 6632 - 427

Released in 1979, the Cal. 6632 with design code 427 was part of Seiko's domestic market collection. With its 22mm lug width and 12.6mm profile, it sits comfortably on most wrists. [seikata-wm-ae76bfee3ce5]

Also known as: Helmet, Crown

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

36mm

Case Thickness

12.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1979

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