Seiko Cal. 5653 - 766

The Seiko 5653-766 represents an important milestone in Seiko's 1980 lineup. With its 19mm lug width and 12.9mm profile, it sits comfortably on most wrists. [seikata-wm-3735e416434e]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

12.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1980

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