Seiko Cal. 6634 - 405

The Seiko 6634-405 represents an important milestone in Seiko's 1969 lineup. With its 21mm lug width and 13.5mm profile, it sits comfortably on most wrists. [seikata-wm-a7fda72134a5]

Also known as: Emperor

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

70m

Dial Color

Cream

Jewels

32j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1969

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