Seiko Cal. 5620 - 866

This Solar model from 1966 features a 41mm Hardlex-Coated Steel case. With its 20mm lug width and 13.1mm profile, it sits comfortably on most wrists. [seikata-wm-7bd1532bfb91]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

13.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1966

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