Seiko Cal. 6666 - 307

The Seiko 6666-307 represents an important milestone in Seiko's 1968 lineup. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-a2fd84e47ff9]

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

15.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Cream

Jewels

32j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1968

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