Seiko Cal. 5637 - 685

The Seiko 5637-685 represents an important milestone in Seiko's 1968 lineup. Powered by the 5637 caliber with 23j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-4a35c1ef5394]

Also known as: Silverwave, Sea Horse

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

13.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

80m

Dial Color

Cream

Jewels

23j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1968

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