Seiko Cal. 7189 - 279

This Hand-Winding model from 1977 features a 46mm Hardlex-Coated Steel case. With its 19mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-e0203fe546ba]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

26j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1977

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