Seiko Cal. 5678 - 632

The Seiko 5678-632 represents an important milestone in Seiko's 1990 lineup. With its 18mm lug width and 13.3mm profile, it sits comfortably on most wrists. [seikata-wm-5e9ef7fcfe5b]

Also known as: Tuna, Crown

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

13.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Black

Jewels

35j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1990

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