Seiko Cal. 5673 - 640

This Spring Drive model from 1985 features a 46mm PVD Black case. With its 19mm lug width and 12.3mm profile, it sits comfortably on most wrists. [seikata-wm-e612da885469]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

12.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

18j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1985

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