Seiko Cal. 5633 - 718

The Seiko 5633-718 represents an important milestone in Seiko's 1981 lineup. Powered by the 5633 caliber with 18j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-848ee14cb6e2]

Also known as: Emperor, Flighty

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

60m

Dial Color

White

Jewels

18j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1981

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