Seiko Cal. 4413 - 978

The Seiko 4413-978 represents an important milestone in Seiko's 1976 lineup. With its 19mm lug width and 8.7mm profile, it sits comfortably on most wrists. [seikata-wm-22b44ae95a0c]

Also known as: Helmet, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

8.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1976

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