Seiko Cal. 6664 - 764

The Seiko 6664-764 represents an important milestone in Seiko's 1968 lineup. The Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-4d2160b1f0a2]

Also known as: Rally, Crown

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

11.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

22j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1968

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