Seiko Cal. 7178 - 646

This Spring Drive model from 1980 features a 41mm Hardlex-Coated Steel case. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-50f487375f5c]

Also known as: Emperor, Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Burgundy

Jewels

28j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1980

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