Seiko Cal. 4487 - 423

This Spring Drive model from 1976 features a 40mm Two-Tone case. With its 19mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-e244e398a9c2]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

70m

Dial Color

Champagne

Jewels

21j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1976

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