Seiko Cal. 5633 - 323

The Seiko 5633-323 represents an important milestone in Seiko's 1980 lineup. Powered by the 5633 caliber with 27j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-df8cb250dd01]

Also known as: Sea Horse, Arnie

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Black

Jewels

27j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1980

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