Seiko Cal. 7131 - 581

This Automatic model from 1980 features a 44mm Two-Tone case. Powered by the 7131 caliber with 23j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-16c3fcb66ecf]

Also known as: Samurai

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

10.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

200m

Dial Color

Black

Jewels

23j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1980

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