Seiko Cal. 5634 - 238

The Seiko 5634-238 represents an important milestone in Seiko's 1977 lineup. Powered by the 5634 caliber with 23j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-026930cebe41]

Also known as: UFO, Emperor

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Cream

Jewels

23j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1977

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