Seiko Cal. 6143 - 284

The Seiko 6143-284 represents an important milestone in Seiko's 1975 lineup. It features a Black dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-993cb4bf0765]

Also known as: Tuna, Helmet

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

42mm

Case Thickness

8.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

30m

Dial Color

Black

Jewels

35j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1975

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