Seiko Cal. 5633 - 993

The 5633-993 is a sought-after Spring Drive piece from Seiko's golden era. The Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-760cc0060113]

Also known as: Navigator, Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

8.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

60m

Dial Color

Burgundy

Jewels

32j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1971

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