Seiko Cal. 6378 - 905

This Kinetic model from 1978 features a 38mm PVD Black case. Powered by the 6378 caliber with 17j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-bf06e36dbcb6]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

38mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Black

Jewels

17j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1978

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