Seiko Cal. 4564 - 916

This Hand-Winding model from 1973 features a 38mm Hardlex-Coated Steel case. Powered by the 4564 caliber with 31j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-f155439a35a9]

Also known as: Silverwave, Flighty

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1973

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