Seiko Cal. 0720 - 639

This Hand-Winding model from 1972 features a 34mm Gold-Plated case. With its 18mm lug width and 13.0mm profile, it sits comfortably on most wrists. [seikata-wm-7e386425a43d]

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

13.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Silver

Jewels

19j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1972

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