Seiko Cal. 4464 - 364

Released in 1968, the Cal. 4464 with design code 364 was part of Seiko's domestic market collection. Powered by the 4464 caliber with 20j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-223c1dc75adb]

Also known as: Helmet, Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

12.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

White

Jewels

20j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1968

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