Seiko Cal. 4420 - 989

Seiko 4420-989

The 4420-989 is a sought-after Solar piece from Seiko's golden era. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-8da5726e0a00]

Also known as: Turtle, Sportsmatic

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
40mm
Case Thickness
8.5mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
180m
Dial Color
Cream
Jewels
35j
Frequency
36,000 bph
Power Reserve
50 hours
Year
1971

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