Seiko Cal. 6636 - 187

The 6636-187 is a sought-after Solar piece from Seiko's golden era. With its 20mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-78def2bffc69]

Also known as: Monster, Emperor

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

43mm

Case Thickness

10.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Champagne

Jewels

28j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1982

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