Seiko Cal. 7143 - 105

The Seiko 7143-105 represents an important milestone in Seiko's 1988 lineup. Powered by the 7143 caliber with 34j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-b61a6f5aa174]

Also known as: Helmet, Navigator

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Cream

Jewels

34j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1988

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