Seiko Cal. 6636 - 554

This Spring Drive model from 1965 features a 44mm Stainless Steel case. Powered by the 6636 caliber with 33j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-2a9daee62ad1]

Also known as: Goldfeather

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1965

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