Seiko Cal. 4421 - 327

The Seiko 4421-327 represents an important milestone in Seiko's 1967 lineup. Powered by the 4421 caliber with 18j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-8f06b9c6478a]

Also known as: Panda

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

30m

Dial Color

Black

Jewels

18j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1967

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