Seiko Cal. 5633 - 384

The Seiko 5633-384 represents an important milestone in Seiko's 1972 lineup. Powered by the 5633 caliber with 28j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-66c209ef383f]

Also known as: Goldfeather, World Timer

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

13.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1972

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