Sellita Caliber Sw221 1

Sellita Caliber SW221-1

Sellita Caliber Sw221 1

Manufacturer Sellita
Caliber Number SW221-1, SW 221-1
Movement Type Automatic, self-winding mechanical
Base Caliber
Sellita SW200-1
Lignes 11.5”’
Overall Diameter
26mm
Casing Diameter
25.60mm
Height
5.05mm thick
Jewels 26
Power Reserve ~38 hours
Vibrations Per Hour 28,800, 4Hz
Lift Angle
50 degrees
Amplitude Range
200 degrees – 315 degrees
Shock System Novodiac or Incabloc
Regulator System Etachron with fine tuning device
Materials
Brass (main plate and bridges)
Rotor Type
Ball bearing
Mainpspring
Nivaflex
Hand-Windable?
Yes
Rotor Winding Direction
Bi-directional
Hand Count
4
Hand Sizes
1.90mm / 1.50mm / .90mm / .25mm
Features Central hours; central minutes; central sweeping seconds; pointer date aka date hand
Hacking Seconds? Yes
Quickset Date?
Yes
Country of Manufacture Switzerland, Swiss made
Known Models Revue Thommen Airspeed, Farer Lomond  (Add your watch in comments below…)

The Sellita caliber SW221-1 is a Swiss made automatic movement with a pointer date style calendar complication.

Based on official technical documentation, this movement has been in production since at least May 7, 2013.

This movement is considered to be an ETA clone and is basically a Sellita version of the pointer date variation of the ETA caliber 2836-2.

Drawings:

Sellita Caliber Sw221 1 Drawings

Additional Resources:

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