Seiko Cal. 5678 - 647

The Seiko 5678-647 represents an important milestone in Seiko's 1976 lineup. With its 19mm lug width and 14.7mm profile, it sits comfortably on most wrists. [seikata-wm-d88aeab269b0]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

42mm

Case Thickness

14.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Cream

Jewels

29j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1976

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