Seiko Cal. 4448 - 364

This Spring Drive model from 1966 features a 38mm Gold-Plated case. Powered by the 4448 caliber with 21j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-f451b47a12dd]

Also known as: Samurai, Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

8.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

70m

Dial Color

Silver

Jewels

21j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1966

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