Seiko Cal. 6659 - 830

This Hand-Winding model from 1988 features a 40mm Stainless Steel case. With its 18mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-bd4809c6791a]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Cream

Jewels

26j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1988

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