Seiko Cal. 4438 - 859

The Seiko 4438-859 represents an important milestone in Seiko's 1990 lineup. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-05dd8ae7f81a]

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Champagne

Jewels

36j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1990

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