Seiko Cal. 7031 - 818

This Spring Drive model from 1965 features a 35mm PVD Black case. With its 19mm lug width and 11.4mm profile, it sits comfortably on most wrists. [seikata-wm-17db8d5388ad]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

50m

Dial Color

Burgundy

Jewels

34j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1965

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