Seiko Cal. 4559 - 755

This Spring Drive model from 1970 features a 45mm Gold-Plated case. With its 21mm lug width and 13.5mm profile, it sits comfortably on most wrists. [seikata-wm-9560db3c557d]

Also known as: Sumo, Helmet

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

Cream

Jewels

34j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1970

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