Seiko Cal. 6636 - 832

The 6636-832 is a sought-after Spring Drive piece from Seiko's golden era. With its 19mm lug width and 8.9mm profile, it sits comfortably on most wrists. [seikata-wm-16aa884da3e3]

Also known as: Goldfeather, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

8.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1969

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