Seiko Cal. 6656 - 588

The Seiko 6656-588 represents an important milestone in Seiko's 1972 lineup. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-936943cad4d9]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

13.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

30j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1972

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