Seiko Cal. 4437 - 154

The Seiko 4437-154 represents an important milestone in Seiko's 1995 lineup. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-8a97e7055341]

Also known as: Sumo, Shogun

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1995

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