Seiko Cal. 5678 - 496

This Spring Drive model from 1972 features a 37mm Gold-Plated case. With its 19mm lug width and 10.3mm profile, it sits comfortably on most wrists. [seikata-wm-4e76ccc44735]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

10.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1972

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