Seiko Cal. 7178 - 143

The Seiko 7178-143 represents an important milestone in Seiko's 1969 lineup. It features a Burgundy dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-9aac622d2375]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

14.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

17j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1969

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