Seiko Cal. 4421 - 253

Seiko 4421-253

The 4421-253 is a sought-after Solar piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-c140a08ed57b]

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
35mm
Case Thickness
10.8mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
70m
Dial Color
Blue Sunburst
Jewels
33j
Frequency
21,600 bph
Power Reserve
48 hours
Year
1972

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