Seiko Cal. 4550 - 355

This Quartz model from 1979 features a 42mm PVD Black case. With its 22mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-2fb65ca32e2e]

Also known as: World Timer, Sea Horse

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

42mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Cream

Jewels

22j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1979

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