Seiko Cal. 4578 - 352

This Hand-Winding model from 1974 features a 41mm PVD Black case. With its 18mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-8affcc275055]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Green

Jewels

18j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1974

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