Seiko Cal. 6390 - 662

Released in 1988, the Cal. 6390 with design code 662 was part of Seiko's domestic market collection. It features a Black dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-8994aea68d28]

Also known as: Sea Horse, Emperor

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

38mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

Black

Jewels

30j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1988

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