Seiko Cal. 5674 - 231

The Seiko 5674-231 represents an important milestone in Seiko's 1965 lineup. With its 19mm lug width and 10.2mm profile, it sits comfortably on most wrists. [seikata-wm-1c5e9c8d2db1]

Also known as: Helmet, Emperor

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Champagne

Jewels

21j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1965

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