Seiko Cal. 6657 - 859

The Seiko 6657-859 represents an important milestone in Seiko's 1967 lineup. The Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-25638bbda116]

Also known as: Samurai

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1967

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