Seiko Cal. 5623 - 831

The 5623-831 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5623 caliber with 21j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-1e831f5892ab]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

15.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

30m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1970

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