Seiko Cal. 6637 - 433

This Kinetic model from 1992 features a 36mm Hardlex-Coated Steel case. Powered by the 6637 caliber with 17j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-b9543dc9401d]

Also known as: World Timer, Sea Horse

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

80m

Dial Color

Black

Jewels

17j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1992

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