Seiko Cal. 6378 - 633

This Kinetic model from 1987 features a 41mm Stainless Steel case. Powered by the 6378 caliber with 31j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-9cb7bb40883f]

Also known as: Flighty

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

100m

Dial Color

White

Jewels

31j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1987

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