Seiko Cal. 6390 - 936

The Seiko 6390-936 represents an important milestone in Seiko's 1982 lineup. It features a Silver dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-05cd5418006e]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

9.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

34j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1982

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