Seiko Cal. 6617 - 668

This Spring Drive model from 1971 features a 37mm Stainless Steel case. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-01cf360bcfdc]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

30j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1971

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