Seiko Cal. 6378 - 424

The Seiko 6378-424 represents an important milestone in Seiko's 1975 lineup. With its 22mm lug width and 14.8mm profile, it sits comfortably on most wrists. [seikata-wm-28ee2e18205d]

Also known as: Navigator

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

14.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Burgundy

Jewels

18j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1975

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