Seiko Cal. 5633 - 228

The Seiko 5633-228 represents an important milestone in Seiko's 1984 lineup. With its 22mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-387d592789e2]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Cream

Jewels

27j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1984

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