Seiko Cal. 4520 - 802

Seiko 4520-802

The 4520-802 is a sought-after Hand-Winding piece from Seiko's golden era. It features a White dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-03f3d51243d3]

Also known as: Bullhead, Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
37mm
Case Thickness
8.7mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
140m
Dial Color
White
Jewels
36j
Frequency
21,600 bph
Power Reserve
56 hours
Year
1975

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