Manufacturer | Miyota (Citizen) |
Caliber Number | 9U13 |
Type | Quartz |
Replaces Caliber | Citizen 0510 |
Ligned | 10.5”’ |
Diameter |
23.7mm |
Height |
2.33mm thick |
Jewels |
0 |
Dial Feet Locations |
5:00, 11:00 |
Battery Cell Number | SR916SW / 373 |
Estimated Battery Life |
4 years |
Frequency | 32,768Hz |
Quartz Type | Tuning fork type quartz crystal |
Stem | 065-495 (tap 12) |
Hand Count |
3 |
Hand Sizes |
1.20mm / .7mm / .17mm |
Functions | Central hours; central minutes; central “ticking” seconds; date at 3:00 or 6:00 |
Country of Manufacture | Japan |
Known Models |
Bulova 97B162 (Please add your watch in the comments below…) |
The Miyota caliber 9U13 is a quartz movement with 0 jewels. It is assembled in Japan and is considered to be a replaceable movement. Miyota also lists this caliber as having a long battery life.
In Miyota’s own words:
“Super slim movement. Perfect for designs with an ultra-thin profile.” –Source
Some of the topics covered in this caliber listing:
Accuracy Rating:
Miyota states the accuracy of this movement to be +/-20 seconds/month in normal operating conditions.
Battery:
The battery in the 9U13 is a cell number SR916SW (aka 373). A new battery should get you up to 4 years of runtime.
This movement is equipped with a low battery indicator. When the battery is running low and needs replaced, the seconds hand will skip every 2 seconds.
9U13 VS 9U15:
There is a similar caliber 9U15 with the main difference being that the 9U13 has a central seconds hand and the 9U15 does not have a seconds hand. Note that the 9U15 also doesn’t have the low battery indicator mentioned above because it does not have a seconds hand.
Replacement Price:
At the time of this post, prices for the caliber 9U13 quartz movement were found online between $12.95 to $17.95 USD.
Note: The 9U13-00A (with the date at 3:00) is readily available from watch parts resellers and in bulk from Miyota. If you need a 9U13-00V with the date at 6:00, there is a minimum order of 1,000 pieces with a lead time of about 2 months.
9U13 Front, Back, Side:
Assembly / Disassembly:
Additional Resources:
Caliber found in a Bulova 97B162 and submitted by James Hamilton
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