Seiko Cal. 6617 - 662

This Spring Drive model from 1975 features a 38mm Two-Tone case. With its 18mm lug width and 9.6mm profile, it sits comfortably on most wrists. [seikata-wm-21cec8c54f94]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Burgundy

Jewels

19j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1975

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