Seiko Cal. 3878 - 903

This Kinetic model from 1976 features a 38mm PVD Black case. Powered by the 3878 caliber with 17j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-1fb9c45e7718]

Also known as: Silverwave, Sea Horse

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

38mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Cream

Jewels

17j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1976

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