Seiko Cal. 7143 - 906

The Seiko 7143-906 represents an important milestone in Seiko's 1966 lineup. Powered by the 7143 caliber with 22j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-a2bb63d99818]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

45mm

Case Thickness

10.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Champagne

Jewels

22j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1966

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