Seiko Cal. 4419 - 284

The Seiko 4419-284 represents an important milestone in Seiko's 1991 lineup. Powered by the 4419 caliber with 21j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-a0703e2c855b]

Also known as: Monster, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1991

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