Seiko Cal. 6638 - 607

This Spring Drive model from 1993 features a 43mm PVD Black case. With its 18mm lug width and 13.0mm profile, it sits comfortably on most wrists. [seikata-wm-f220d5ee8575]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

13.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1993

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