Hand-wound and beautifully finished the 30-255 carries the Patek Philippe Seal and with it a
link guarantee of -3+2 seconds per day. Additionally and helpful for those wanting to watch their 6119's accuracy the movement can
link be hacked pulling the crown stops the movement so that the time can be synchronized with another measure. So while the Calatrava remains welcomely old-school in terms of its design the new movement
link helps to keep things fresh.