Specifications
Model
Number of jewels
Timekeeping
accuracy
Display functions
Maximum run time
Beats
26
Type
Y513
25
–5 seconds to +10 seconds per day
• Time: Hours, minutes, seconds
• Calendar: Date( Big date )
• Power reserve indicator
About 42 hours (automatic winding type)
28,800 times per hour (8 beats)
Automatic mechanical watch