Seiko Cal. 7131 - 845

The Seiko 7131-845 represents an important milestone in Seiko's 1974 lineup. With its 18mm lug width and 12.7mm profile, it sits comfortably on most wrists. [seikata-wm-a172e5d797b9]

Also known as: Sumo, Flighty

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

43mm

Case Thickness

12.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1974

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