Seiko Cal. 6636 - 913

The 6636-913 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6636 caliber with 31j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-9a8152d8e137]

Also known as: Goldfeather

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

44mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1990

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