Seiko Cal. 0771 - 140

This Hand-Winding model from 1990 features a 34mm Two-Tone case. With its 19mm lug width and 12.6mm profile, it sits comfortably on most wrists. [seikata-wm-c3c8279c32ca]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

34mm

Case Thickness

12.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1990

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