Quick Answer
The Omega Constellation 131.20.28.60.02.002 is a quartz timepiece powered by a 394 battery. Under normal operational conditions, this cell provides approximately 2 to 3 years of continuous power before needing replacement.
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394
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Watch Specifications
| Brand | Omega |
| Model Info | 20mm stainless steel • classic dial |
| Movement / Power | quartz |
| Battery Code | 394 |
Frequently Asked Questions
What battery size does the Omega Constellation 131.20.28.60.02.002 use?
This timepiece operates on a 394 battery cell.
How long does the battery last in a Omega Constellation 131.20.28.60.02.002?
A quality replacement cell typically lasts between 24 and 36 months.
Can I change the battery myself?
Yes. With a basic case opener and non-magnetic tweezers, replacing the battery takes under 10 minutes.