Seiko Cal. 5678 - 184

This Automatic model from 1975 features a 40mm Gold-Plated case. With its 21mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-c7ca103dc523]

Also known as: Sumo, Emperor

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Navy

Jewels

35j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1975

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