Seiko Cal. 6638 - 656

This Solar model from 1980 features a 38mm PVD Black case. With its 18mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-e213d74ba509]

Also known as: Pogue

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

38mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Cream

Jewels

20j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1980

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