Seiko Cal. 5634 - 788

The Seiko 5634-788 represents an important milestone in Seiko's 1976 lineup. The Inner Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-579170ec38bd]

Also known as: Sumo, Emperor

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

46mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Burgundy

Jewels

22j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1976

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