Seiko Cal. 4448 - 578

The Seiko 4448-578 represents an important milestone in Seiko's 1988 lineup. Powered by the 4448 caliber with 35j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-e7da7a37bcf1]

Also known as: Sea Horse

Specifications

Movement

Solar

Case Material

Titanium

Case Width

35mm

Case Thickness

8.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Green

Jewels

35j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1988

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