Seiko Cal. 5631 - 147

The Seiko 5631-147 represents an important milestone in Seiko's 1971 lineup. With its 21mm lug width and 14.7mm profile, it sits comfortably on most wrists. [seikata-wm-2921f98d02f4]

Also known as: Shogun, World Timer

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

14.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

White

Jewels

22j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1971

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