Timeline
| Date | |
|---|---|
| Nov 27, 2001 | |
| Nov 28, 2001 | at Stocznia Marynarki Wojennej, Gydnia |
| Sep 16, 2009 | prior to a design change to become 621M class |
| Nov 28, 2019 |
Timeline
| Date | |
|---|---|
| Nov 27, 2001 | |
| Nov 28, 2001 | at Stocznia Marynarki Wojennej, Gydnia |
| Sep 16, 2009 | prior to a design change to become 621M class |
| Nov 28, 2019 |