Seiko Cal. 5637 - 589

This Spring Drive model from 1989 features a 40mm Stainless Steel case. Powered by the 5637 caliber with 19j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-550e679fb9a2]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

11.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Burgundy

Jewels

19j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1989

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