Seiko Cal. 4564 - 821

The Seiko 4564-821 represents an important milestone in Seiko's 1982 lineup. Powered by the 4564 caliber with 36j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-9a454be6cabd]

Also known as: Silverwave

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

11.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

Navy

Jewels

36j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1982

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