Seiko Cal. 6668 - 704

This Hand-Winding model from 1981 features a 34mm Two-Tone case. With its 20mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-fe41b609814c]

Also known as: Monster, Sumo

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

34mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

26j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1981

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