Seiko Cal. 6636 - 987

The 6636-987 is a sought-after Quartz piece from Seiko's golden era. With its 21mm lug width and 14.7mm profile, it sits comfortably on most wrists. [seikata-wm-23a058531211]

Also known as: Emperor

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

14.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1993

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