Seiko Cal. 0711 - 831

This Hand-Winding model from 1987 features a 36mm Gold-Plated case. With its 21mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-0c0f48c11de0]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

White

Jewels

33j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1987

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