Seiko Cal. 4438 - 958

The Seiko 4438-958 represents an important milestone in Seiko's 1987 lineup. With its 20mm lug width and 12.1mm profile, it sits comfortably on most wrists. [seikata-wm-a25ab658d038]

Also known as: Samurai, Emperor

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1987

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