Seiko Cal. 6616 - 472

This Spring Drive model from 1979 features a 36mm PVD Black case. With its 19mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-c1ac49af7258]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

30m

Dial Color

Black

Jewels

19j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1979

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