Seiko Cal. 5611 - 107

This Hand-Winding model from 1977 features a 38mm Hardlex-Coated Steel case. With its 22mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-8146d3ad8848]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1977

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