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Seiko Caliber 1M20

Technical information

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Watches with the 1M20 movement

1M20-0A10
1M20-0A20
1M20-0A30
1M20-0A40
1M20-0A50
1M20-0A60
1M20-0A70
1M20-5A00
1M20-5A10
1M20-5A20
1M20-5A30
1M20-5A40
1M20-5A50
1M20-5A60
1M20-5A70
1M20-5A80
1M20-5A90
1M20-5B00

About “The Seiko Guy”

Hey, nice to see you here!
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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This website is the work of a watch enthusiast and a collector of Seiko and Grand Seiko timepieces, and it is not affiliated with Seiko in any way.

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