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Sellita Caliber Sw270 1

Sellita Caliber SW270-1

Sellita Caliber Sw270 1

ManufacturerSellita
Caliber NumberSW270-1
Base Caliber
SW200-1
Type
Automatic, self-winding mechancial
Lignes
11.5”’
Diameter
25.60mm
Height
5.60mm thick
Jewels26
Power Reserve~38 – 41 hours
Lift Angle
50 degrees
Acceptable Amplitude
200 – 315 degrees
Vibrations Per Hour28,800 bph, 4Hz
Hacking?Yes
Hand-Windable?
Yes
Quickset Calendar?Yes
Rotor Style
Ball-bearing
Anti-Shock Device
Incabloc
Mainspring
Niavaflex
Hairspring Collet
Nivatronic
Hand Count
4
FunctionsCentral hours; central minutes; central sweeping seconds; date at 3:00; power reserve indicator at 6:00
Country of ManufactureSwitzerland
Known Models
Meistersinger Primatic PR903 Power Reserve (Add your watch to the comments below…)

The Sellita caliber SW270-1 is a modern automatic watch movement with a power reserve indicator. This 26 jewels Swiss made movement is a member of the SW200 family of movements. It was introduced in the 2020-2021 with official documentation updated as of 4/19/2021.

Sellita 270 1 W

Accuracy Rating:

The average expected accuracy of the Sellita cal. SW270-1 depends on the grade of the movement in your watch. Read more about Sellita Grades here.

Crown/Stem Removal:

Which position should the crown be in?

Official Sellita documentation states that the crown should be in the time setting position before being extracted.

What tool should be used to extract the crown/stem?

Use a 1mm screw-driver to press the detent button. Avoid using tweezers or any other tool with a point because this could jam the setting lever and damage the setting lever spring.

Additional Resources:

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Venus Caliber 178
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