Seiko Cal. 4438 - 576

The Seiko 4438-576 represents an important milestone in Seiko's 1989 lineup. Powered by the 4438 caliber with 17j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-10ca4180d7b5]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

14.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

Navy

Jewels

17j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1989

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