Seiko Cal. 6656 - 818

The Seiko 6656-818 represents an important milestone in Seiko's 1981 lineup. It features a Black dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-f0936977ed61]

Also known as: Emperor

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

50m

Dial Color

Black

Jewels

30j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1981

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