Seiko Cal. 5673 - 878

The Seiko 5673-878 represents an important milestone in Seiko's 1972 lineup. With its 20mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-30da78937584]

Also known as: Helmet, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

15.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

White

Jewels

30j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1972

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