Seiko Cal. 6390 - 912

The 6390-912 is a sought-after Kinetic piece from Seiko's golden era. It features a Black dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-2837063813a5]

Also known as: Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

Black

Jewels

22j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1970

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