Seiko Cal. 4551 - 180

This Spring Drive model from 1973 features a 45mm Stainless Steel case. With its 18mm lug width and 11.3mm profile, it sits comfortably on most wrists. [seikata-wm-aa3791bcf315]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

White

Jewels

20j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1973

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