Seiko Cal. 4550 - 920

This Automatic model from 1970 features a 40mm PVD Black case. With its 22mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-0ecf87a95452]

Also known as: Samurai

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Champagne

Jewels

32j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1970

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