Seiko Cal. 4420 - 448

The Seiko 4420-448 represents an important milestone in Seiko's 1993 lineup. Powered by the 4420 caliber with 23j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-2a4c0748afab]

Also known as: Arnie

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

38mm

Case Thickness

14.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Black

Jewels

23j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1993

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