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Citizen’s new backlash reduction patent (JP2022191040A granted 2024)

Backlash in gearing arises from the space between gear teeth and allows meshed gears to move freely to certain extent.

In a quartz watch, particularly the seconds hand, this backlash can cause a visual alignment between the hand and the indices.

The …

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Citizen News from the Watch Industry rk watch service

What’s your go to strap for your Citizen diver?

I've been trying different strap combos with my Citizen Promaster, and so far I'm really digging this two piece forest c…

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Citizen News from the Watch Industry rk watch service

Looking for Japanese Citizen Catalogs / Scans

Hello Citizen Watches Enthusiasts ! 👋

I'm looking for someone who have compiled scan/pdf of Japanese Catalogs from early ~2000s until today.

…

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Citizen News from the Watch Industry rk watch service

The Zenshin 2025 Super Titanium Auto NK5020-58M?

Hi,

I'm looking to buy my second citizen, but an automatic this time and first titanium. It is the 2025 model NK5020-58M, not the '24 model NJ0180-80L. Does anyone own this model? Positives/Negatives? Prices have dropped into the low 40…

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Citizen News from the Watch Industry rk watch service

Bullhead Tsuno thread

I just recently purchased my first bullhead promaster Tsuno. Had actually been looking at these for a few years now. Decided on the titanium version and wow what a fun watch. Unfortunately the latest version does not offer the Ti bracelet like their pr…

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Citizen News from the Watch Industry rk watch service

Show us your Aqualand Promasters

Hi Guys

having bought my first Aqualand Promaster on Friday, I am thrilled with Citizen. What a great product at a great price.

I have known of the Aqualand Promaster for over 25 years since a newly qualified North sea oil rig diver told me about it …

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Citizen News from the Watch Industry rk watch service

###### WRUW Citizen – June ‘26 ######

I’ll kick off June with a simple Promaster

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Citizen News from the Watch Industry rk watch service

New Frankenstein Citizen EXCEED EBJ74-2823

I was able to pick up a Citizen EXCEED EBJ74-2823 for 25$ but the stem was missing, battery was dead and the band was too short.

…

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Citizen News from the Watch Industry rk watch service

Citizen Promaster Land Series Edition Release.

Just any opinions on the relatively new release of the Promaster Land series edition.

If you're a new or newish owner of this watch, please give me a very honest opinion on how it's been to live with and use this watch everyday?

I know ther…

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Citizen News from the Watch Industry rk watch service

Bullhead. Aftermarket?

Hi all. Bought this watch on a fleamarket, and now i am unsure, if its in every part original. Could it be that the dial is aftermarket?

Thanks in advance.

…

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Citizen News from the Watch Industry rk watch service
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Repair Services
Band Repair
Battery Replacement
Crown Replacement
Crystal Replacement & Repair
Dial Refinishing
General Movement Overhaul
Hand Restoration
Precision Watch Cleaning
Watch Polishing
Location
815 Waukegan Rd
Northbrook, IL 60062
Hours

10:00AM – 5:00PM Monday-Friday

10:00AM – 3:00PM Saturday

Closed on Sundays

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RK Watch Service
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