Seiko Cal. 7131 - 870

The Seiko 7131-870 represents an important milestone in Seiko's 1980 lineup. Powered by the 7131 caliber with 27j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-94cce27f8e31]

Also known as: Silverwave

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

130m

Dial Color

Cream

Jewels

27j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1980

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