Seiko Cal. 4423 - 921

Seiko 4423-921

The Seiko 4423-921 represents an important milestone in Seiko's 1984 lineup. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-1494b9d45c60]

Also known as: Sumo, Rally

Specifications

Movement
Quartz
Case Material
PVD Black
Case Width
38mm
Case Thickness
14.4mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
130m
Dial Color
Silver
Jewels
32j
Frequency
36,000 bph
Power Reserve
36 hours
Year
1984

Related Models

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