Seiko Cal. 6647 - 570

This Spring Drive model from 1982 features a 46mm Gold-Plated case. With its 22mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-8ffa59d00ca3]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

190m

Dial Color

White

Jewels

22j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1982

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