Seiko Cal. 4438 - 581

The Seiko 4438-581 represents an important milestone in Seiko's 1997 lineup. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-757f8e240d85]

Also known as: Emperor

Specifications

Movement

Solar

Case Material

Titanium

Case Width

42mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

25j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1997

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