Seiko Cal. 4438 - 743

The Seiko 4438-743 represents an important milestone in Seiko's 1985 lineup. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-e6ff1f8004bf]

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

36mm

Case Thickness

8.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1985

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