Seiko Cal. 4554 - 256

The Seiko 4554-256 represents an important milestone in Seiko's 1975 lineup. With its 19mm lug width and 13.0mm profile, it sits comfortably on most wrists. [seikata-wm-7f697d618966]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

37mm

Case Thickness

13.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

White

Jewels

35j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1975

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