Seiko Cal. 4487 - 981

This Spring Drive model from 1989 features a 37mm PVD Black case. With its 21mm lug width and 12.4mm profile, it sits comfortably on most wrists. [seikata-wm-9ad19ae4446b]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

26j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1989

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