Seiko Cal. 4484 - 900

The Seiko 4484-900 represents an important milestone in Seiko's 1986 lineup. Powered by the 4484 caliber with 17j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-f7162d59f4aa]

Also known as: Monster, Helmet

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Navy

Jewels

17j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1986

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