Seiko Cal. 4520 - 820

Seiko 4520-820

The 4520-820 is a sought-after Hand-Winding piece from Seiko's golden era. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-209c026fbff7]

Also known as: Turtle, Pogue

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
15.7mm
Lug Width
22mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
180m
Dial Color
Black
Jewels
31j
Frequency
21,600 bph
Power Reserve
68 hours
Year
1980

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