Seiko Cal. 4420 - 628

Seiko 4420-628

The 4420-628 is a sought-after Automatic piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-58b3cd44e1bd]

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
10.2mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
180m
Dial Color
Blue Sunburst
Jewels
27j
Frequency
36,000 bph
Power Reserve
50 hours
Year
1987

Related Models

seikata-wm-58b3cd44e1bd