Seiko Cal. 3847 - 491

This Spring Drive model from 1966 features a 44mm PVD Black case. With its 19mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-cdb76cf708f9]

Also known as: Helmet, Rally

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1966

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