Seiko Cal. 5633 - 725

The Seiko 5633-725 represents an important milestone in Seiko's 1967 lineup. With its 19mm lug width and 15.5mm profile, it sits comfortably on most wrists. [seikata-wm-c85b653a8812]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Cream

Jewels

33j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1967

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