Seiko Cal. 6379 - 556

The Seiko 6379-556 represents an important milestone in Seiko's 1991 lineup. With its 21mm lug width and 13.0mm profile, it sits comfortably on most wrists. [seikata-wm-1243f5c334a8]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Cream

Jewels

30j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1991

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