Seiko Cal. 7142 - 520

The Seiko 7142-520 represents an important milestone in Seiko's 1972 lineup. The Bidirectional bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-8af6fc65c22a]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

34mm

Case Thickness

8.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Silver

Jewels

27j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1972

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