Seiko Cal. 6632 - 257

The Seiko 6632-257 represents an important milestone in Seiko's 1972 lineup. With its 22mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-a9c1168e52ff]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

130m

Dial Color

Cream

Jewels

30j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1972

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