Seiko Cal. 4470 - 321

This Spring Drive model from 1982 features a 34mm PVD Black case. With its 22mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-b15a36b38458]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

8.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

17j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1982

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