Seiko Cal. 4420 - 135

Seiko 4420-135

The Seiko 4420-135 represents an important milestone in Seiko's 1983 lineup. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-163815bd79b8]

Also known as: Sumo, Sea Horse

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
9.3mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
130m
Dial Color
Blue Sunburst
Jewels
23j
Frequency
21,600 bph
Power Reserve
66 hours
Year
1983

Related Models

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