Seiko Cal. 5650 - 251

This Solar model from 1972 features a 35mm Stainless Steel case. With its 20mm lug width and 11.7mm profile, it sits comfortably on most wrists. [seikata-wm-e88d18f1d326]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

11.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1972

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