Seiko Cal. 7142 - 397

The Seiko 7142-397 represents an important milestone in Seiko's 1986 lineup. Powered by the 7142 caliber with 36j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-a0a4d9f05504]

Also known as: Golden Tuna, Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

13.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1986

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