Seiko Cal. 5664 - 633

The Seiko 5664-633 represents an important milestone in Seiko's 1999 lineup. With its 20mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-eb976fb7b3e6]

Also known as: Silverwave, Emperor

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

11.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Green

Jewels

23j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1999

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