Seiko Cal. 4487 - 647

This Spring Drive model from 1967 features a 43mm PVD Black case. With its 20mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-c71d1d5e4368]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1967

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