Seiko Cal. 5631 - 896

The Seiko 5631-896 represents an important milestone in Seiko's 1977 lineup. With its 20mm lug width and 13.7mm profile, it sits comfortably on most wrists. [seikata-wm-d3adc25957fd]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Navy

Jewels

29j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1977

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