Seiko Cal. 7031 - 759

Released in 1982, the Cal. 7031 with design code 759 was part of Seiko's domestic market collection. With its 22mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-454bdc157bd8]

Also known as: Sumo, Shogun

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Cream

Jewels

23j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1982

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