Seiko Cal. 5633 - 320

The Seiko 5633-320 represents an important milestone in Seiko's 1968 lineup. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-10748d9b0a67]

Also known as: UFO, Flighty

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Cream

Jewels

25j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1968

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