As others have said, it's a bit hard to believe when we live in an age of super precise and cheap quartz movements, but it's not too bad for an old mass produced mechanical movement.
For comparison, a brand new NH35 is specced at -20 to +40 seconds per day.
lngswrd15 t1_j4ezdz5 wrote
Reply to comment by FLTDI in 1970s Mechanical Timex 🙂 Loses a minute a day, but absolutely bulletproof! by jmp3r96
As others have said, it's a bit hard to believe when we live in an age of super precise and cheap quartz movements, but it's not too bad for an old mass produced mechanical movement.
For comparison, a brand new NH35 is specced at -20 to +40 seconds per day.