Seiko Cal. 5637 - 136

The Seiko 5637-136 represents an important milestone in Seiko's 1972 lineup. Powered by the 5637 caliber with 22j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-c9ff94cc61f4]

Also known as: Goldfeather, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

130m

Dial Color

Champagne

Jewels

22j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1972

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