Seiko Cal. 5634 - 520

The Seiko 5634-520 represents an important milestone in Seiko's 1980 lineup. Powered by the 5634 caliber with 20j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-c20ace9dfc43]

Also known as: Samurai, Flighty

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

Burgundy

Jewels

20j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1980

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