Seiko Cal. 5664 - 988

The Seiko 5664-988 represents an important milestone in Seiko's 1973 lineup. With its 20mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-bc0404faa250]

Also known as: Navigator

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

43mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Champagne

Jewels

34j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1973

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