Seiko Cal. 4587 - 815

This Spring Drive model from 1974 features a 44mm PVD Black case. With its 20mm lug width and 14.3mm profile, it sits comfortably on most wrists. [seikata-wm-1bcee5d2571b]

Also known as: Sumo, Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

14.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

23j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1974

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