Seiko Cal. 6378 - 105

The Seiko 6378-105 represents an important milestone in Seiko's 1997 lineup. With its 18mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-6716d01db904]

Also known as: Navigator, Arnie

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

38mm

Case Thickness

8.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1997

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