Seiko Cal. 6636 - 125

The 6636-125 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6636 caliber with 28j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-a61894bf1a2e]

Also known as: Samurai

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

9.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Cream

Jewels

28j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1990

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