Seiko Cal. 6656 - 442

The Seiko 6656-442 represents an important milestone in Seiko's 1990 lineup. It features a Black dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-b5f934acbb5f]

Also known as: Navigator

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1990

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