Seiko Cal. 4597 - 158

This Quartz model from 1978 features a 40mm PVD Black case. With its 18mm lug width and 12.4mm profile, it sits comfortably on most wrists. [seikata-wm-6d1ceb9ef644]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Black

Jewels

35j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1978

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