Seiko Cal. 7143 - 278

The Seiko 7143-278 represents an important milestone in Seiko's 1974 lineup. It features a Champagne dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-a8c7b8ced001]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

11.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Champagne

Jewels

22j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1974

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