Seiko Cal. 4464 - 421

This Hand-Winding model from 1966 features a 45mm PVD Black case. Powered by the 4464 caliber with 27j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-89e5a483bc0c]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Burgundy

Jewels

27j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1966

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