Seiko Cal. 6389 - 664

The Seiko 6389-664 represents an important milestone in Seiko's 1975 lineup. It features a Black dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-de7482837c3d]

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

44mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

190m

Dial Color

Black

Jewels

18j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1975

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