Seiko Cal. 5663 - 705

The Seiko 5663-705 represents an important milestone in Seiko's 1966 lineup. With its 20mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-829eb62c19ce]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

110m

Dial Color

Cream

Jewels

21j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1966

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