Seiko Cal. 5634 - 217

The Seiko 5634-217 represents an important milestone in Seiko's 1972 lineup. With its 22mm lug width and 13.5mm profile, it sits comfortably on most wrists. [seikata-wm-93bc05f14ba6]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

13.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1972

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