Seiko Cal. 5650 - 693

The Seiko 5650-693 represents an important milestone in Seiko's 1973 lineup. With its 20mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-95ac2cd1e6e3]

Also known as: Sumo, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

White

Jewels

17j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1973

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