Seiko Cal. 4556 - 957

This Solar model from 1976 features a 37mm PVD Black case. With its 18mm lug width and 14.7mm profile, it sits comfortably on most wrists. [seikata-wm-d838c49a5d91]

Also known as: Bellmatic

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

37mm

Case Thickness

14.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Champagne

Jewels

19j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1976

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