Seiko Cal. 5633 - 406

The 5633-406 is a sought-after Automatic piece from Seiko's golden era. With its 22mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-3d1c1d490548]

Also known as: Navigator, Emperor

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Green

Jewels

24j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1967

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