Seiko Cal. 5633 - 890

The Seiko 5633-890 represents an important milestone in Seiko's 1983 lineup. Powered by the 5633 caliber with 25j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-fb5760fada8a]

Also known as: Turtle

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

12.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Burgundy

Jewels

25j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1983

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