Seiko Cal. 4448 - 390

The Seiko 4448-390 represents an important milestone in Seiko's 1977 lineup. With its 18mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-6a9684173ac6]

Also known as: Rally

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Black

Jewels

28j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1977

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