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INVICTA 18580 RUSSIAN DIVER BATTERY REPLACEMENT VIDEO
TOMMY BIG TIMENov 13, 2023
Have a great day and God Bless
INVICTA RUSSIAN DIVER
model = 18580
52mm CASE DIAMETER
BRUSHED STAINLESS STEEL CASE AND BRACELET
GOLD BEZEL
BLACK DIAL
JAPAN PC21 O JEWEL QUARTZ MOVEMENT
BATTERY NEEDED = 377/376
https://www.invictawatch.com/watche...l-gold-stainless-steel-black-dial-pc21-quartz
https://www.jomashop.com/invicta-watch-18580.html
The caliber PC21S is a 0 jewels quartz movement found in many ultra-entry level timepieces. Many cheap quartz watches from China.
https://calibercorner.com/seiko-caliber-pc21j/
https://calibercorner.com/hattori-sii-caliber-pc21s/
Hattori PC21 Watch Movement
Item ID: PC21
Price: $3.95Availability: In Stock
>
| Quantity | Price |
|---|---|
| 3 - 9 | $3.50 |
| 10 - 99 | $2.95 |
| 100+ | $1.95 |
https://allwatchparts.com/Hattori-PC21-Watch-Movement_p_579.html
The PC21 is a crap movement IMO that should not be used in any trinket costing more than $35.00. I have it inside a few Androids from Wing. It wouldn't be too bad if it wasn't so sloppy setting the time. After setting the time and pushing the crown back in, the hands jump all over the place making it a challenge to set the time accurately.
Thanks for posting this one up, Mike. 
