Seiko Cal. 4423 - 580

This Automatic model from 1985 features a 41mm Titanium case. With its 20mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-dc45712bb51d]

Also known as: Sumo, Emperor

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

41mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Cream

Jewels

21j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1985

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