Seiko Cal. 4458 - 960

This Spring Drive model from 1983 features a 36mm PVD Black case. With its 18mm lug width and 13.8mm profile, it sits comfortably on most wrists. [seikata-wm-f76d40004f98]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

13.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1983

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