Seiko Cal. 7142 - 828

The Seiko 7142-828 represents an important milestone in Seiko's 1979 lineup. Powered by the 7142 caliber with 28j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-11d993de81f9]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

11.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

100m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1979

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