Seiko Cal. 4448 - 486

The Seiko 4448-486 represents an important milestone in Seiko's 1983 lineup. Powered by the 4448 caliber with 23j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-df01123717f2]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Black

Jewels

23j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1983

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