Seiko Cal. 4520 - 428

Seiko 4520-428

The 4520-428 is a sought-after Kinetic piece from Seiko's golden era. It features a Black dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-ae96e7796a22]

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
38mm
Case Thickness
9.5mm
Lug Width
20mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
30m
Dial Color
Black
Jewels
23j
Frequency
21,600 bph
Power Reserve
37 hours
Year
1971

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