Seiko Cal. 5678 - 951

The Seiko 5678-951 represents an important milestone in Seiko's 1969 lineup. With its 21mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-df76001bdb21]

Also known as: Sumo, Sea Horse

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

22j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1969

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