Seiko Cal. 6379 - 143

The Seiko 6379-143 represents an important milestone in Seiko's 1981 lineup. Powered by the 6379 caliber with 27j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-25790cc9bc4d]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

34mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Cream

Jewels

27j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1981

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