Seiko Cal. 7031 - 133

This Hand-Winding model from 1973 features a 43mm Two-Tone case. Powered by the 7031 caliber with 17j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-a52e1352934d]

Also known as: Pogue

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

14.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Green

Jewels

17j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1973

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