Seiko Cal. 5633 - 411

The Seiko 5633-411 represents an important milestone in Seiko's 1981 lineup. It features a Champagne dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-5d188abd4de9]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

14.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

70m

Dial Color

Champagne

Jewels

25j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1981

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