Seiko Cal. 6189 - 778

The Seiko 6189-778 represents an important milestone in Seiko's 1972 lineup. With its 20mm lug width and 13.8mm profile, it sits comfortably on most wrists. [seikata-wm-87e64e084a3d]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

13.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

White

Jewels

29j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1972

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