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Seiko Y450-4020 Watch Guide

The Seiko Y450-4020 is a watch model based on the Y450 movement.

Parts List

SA8N47LZ10crystal
SA8N47LZ40crystal
SA8N47L250crystal
0I2000B01case back gasket
0I0110B01case back gasket

Other models with the same movement

Y450-0050
Y450-4000
Y450-4010
Y450-4030
Y450-4040
Y450-4050
Y450-4060
Y450-4070
Y450-4090
Y450-4100
Y450-4110
Y450-4130
Y450-4150
Y450-4170
Y450-4200
Y450-4210
Y450-4220
Y450-4230
Y450-4240
Y450-4270
Y450-4280
Y450-4290
Y450-4300
Y450-4310
Y450-4320
Y450-4330

About “The Seiko Guy”

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My name is Andrea Secco, I’m a watch enthusiast and a Seiko collector.
I hope this website will be useful to all of you who share this passion.

Andrea Secco

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