Seiko Cal. 5633 - 663

The 5633-663 is a sought-after Kinetic piece from Seiko's golden era. With its 18mm lug width and 10.3mm profile, it sits comfortably on most wrists. [seikata-wm-aa73741fae9f]

Also known as: Navigator

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

41mm

Case Thickness

10.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

190m

Dial Color

Black

Jewels

34j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1978

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