Seiko Cal. 4437 - 881

The Seiko 4437-881 represents an important milestone in Seiko's 1990 lineup. With its 21mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-a1119f78ada4]

Also known as: Shogun, Emperor

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Black

Jewels

31j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1990

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