Seiko Cal. 6389 - 158

This Spring Drive model from 1986 features a 45mm PVD Black case. Powered by the 6389 caliber with 34j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-9ae83b56e7ec]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

8.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

100m

Dial Color

Black

Jewels

34j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1986

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