Seiko Cal. 4448 - 991

The Seiko 4448-991 represents an important milestone in Seiko's 1979 lineup. With its 19mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-c4bf02adf77e]

Also known as: Silverwave

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

15.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1979

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