Seiko Cal. 6655 - 648

This Automatic model from 1979 features a 38mm PVD Black case. With its 19mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-28ff90fd90c1]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

38mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

90m

Dial Color

Black

Jewels

27j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1979

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