Seiko Cal. 4445 - 551

This Spring Drive model from 1971 features a 43mm PVD Black case. With its 22mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-22a2398b1764]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

9.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Cream

Jewels

29j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1971

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