Seiko Cal. 4556 - 209

This Spring Drive model from 1976 features a 40mm PVD Black case. With its 21mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-3846525d0158]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

White

Jewels

17j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1976

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