Seiko Cal. 7031 - 756

Released in 1989, the Cal. 7031 with design code 756 was part of Seiko's domestic market collection. Powered by the 7031 caliber with 22j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-ff424c91f8eb]

Also known as: Sumo, Arnie

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1989

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