Seiko Cal. 5631 - 612

This Automatic model from 1979 features a 34mm Gold-Plated case. Powered by the 5631 caliber with 28j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-892f8d2b0e33]

Also known as: Emperor

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

11.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

Burgundy

Jewels

28j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1979

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