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Seiko Caliber 6N52

Seiko Caliber 6N52

Manufacturer Seiko
Caliber Number 6N52, 6N52A
Movement Type Quartz
Battery Life 3 years
Hacking? Yes
Hand Count
3 hands
Functions Central hours, central minutes, central seconds, date at 3:00
Country of Manufacture Japan
Known Models
SUR307, SUR309, SUR311, SUR312, SUR314, SUR369, SUR373, SUR375, SUR377, SUR419, SUR421, SUR422, SUR457, SUR459, SUR460, SUR461, SUR468 (Add yours in the comments below…)

The Seiko caliber 6N52 is quartz movement that is made in Japan.

This page is being edited.

Full caliber listing coming soon.

We have a 6N52 on the way for pics and vid, please check back.

Accuracy Rating:

According to official Seiko documentation, they claim that the average monthly rate the 6N is less than +/- 15 seconds under normal conditions (source). With regards to the 6N52, “normal” temperatures should be within the range of 5°C ~ 35°C (41°F ~ 95°F) for the best accuracy, however, the movement can still operate between -10C ~ 60C (14F ~ 140F).

Examples of watches with this movement:

Additional Resources:

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alejandroanderson
alejandroanderson
1 year ago

I have been looking for this movement unsuccessfully. Any idea where I may get it?

Charles
Charles
7 months ago

Amazon & Ebay have them.

Hazo
Hazo
1 year ago

what is the reference of the battery of this movement?

JANFR.
JANFR.
1 year ago

SR621SW=364

Ross
Ross
1 year ago

SUR317 & SUR371 also .)

Lucas Rego
Lucas Rego
1 year ago

How many jewels would this quartz caliber have? I can’t find pictures on the internet.

Michael
Michael
23 days ago
Reply to  Lucas Rego

0 jewels as are most Japanese movements

braynerk
braynerk
9 months ago

espera de fotos y video de este calibre, se agradece el esfuerzo. saludos.

Charles
Charles
7 months ago

i have the SUR 421 and it has the 6N52 Calibre.

Charles
Charles
6 months ago

I am amazed with the accuracy of the 6N52 quartz movement. i recently ordered and received a SUR 421 watch from ebay for $100. it arrived on 22 Aug 2022 and by 2:30pm, i had the date & time set. Since then i have been logging the accuracy of the watch every day at 2:30PM. as of today, 8 full days later, the watch has not deviated one bit. it is 100% accurate to the… Read more »

Charles
Charles
6 months ago
Reply to  Caliber Corner

thank you for the prompt & courteous reply. i will continue to monitor daily the results on how my watch performs and will keep you updated after a few months.

Charles
Charles
1 month ago
Reply to  Caliber Corner

Ok here is an update on my Seiko SUR 421. received brand new on 22 Aug 2022 and did the initial time set that day. After one month, 21 Sep 2022, it was off by only one second, fast. On 16 Oct 2022, it was off by two seconds, fast so I reset the watch that day. Note this was the first and only time the watch has been reset since the initial setting. Today,… Read more »

Brian
Brian
6 months ago

As a SUR375P1 owner. I found this 6N52 movement surprisingly accurate. Measured over 2 months, the watch is running -0.04s ~ +0.07s/day. Did not expected in this budget model at all. Great work Seiko!

Faisal
Faisal
5 months ago

Does this have a low battery indicator?

Vlad
Vlad
5 months ago

What type of battery & replacement battery does 6N52 Seiko series watch need?

Michael
Michael
23 days ago
Reply to  Vlad

364

trackback
List of Seiko Watch Movements Watch Movement | Caliber Corner
4 months ago

[…] 6N52 […]

braynerk
braynerk
2 months ago

ando buscando fotos de este calibre por dentro, muchas de ante mano

Steve
Steve
21 days ago

Band sizing instructions and watch value

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Venus Caliber 178

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