Seiko Cal. 4597 - 720

The Seiko 4597-720 represents an important milestone in Seiko's 1979 lineup. With its 19mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-ddaa0ebd5ad7]

Also known as: Tuna, Helmet

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

White

Jewels

23j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1979

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