Seiko Cal. 4420 - 587

Seiko 4420-587

The 4420-587 is a sought-after Quartz piece from Seiko's golden era. The Bidirectional bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-dfdce261e86d]

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
8.8mm
Lug Width
21mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
200m
Dial Color
Green
Jewels
30j
Frequency
36,000 bph
Power Reserve
51 hours
Year
1970

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