Seiko Cal. 5633 - 784

The Seiko 5633-784 represents an important milestone in Seiko's 1973 lineup. With its 20mm lug width and 11.5mm profile, it sits comfortably on most wrists. [seikata-wm-3965187651af]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Silver

Jewels

30j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1973

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