Seiko Cal. 6664 - 520

This Spring Drive model from 1975 features a 38mm Two-Tone case. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-768aa2deacfa]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Green

Jewels

18j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1975

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