Mechanical caliber 3133,
hand-wound, diameter 31 mm,
23 Ruby jewels, shock protection,
mean-daily rate from -20 to +40 sec/day,
balance periode 21,600h,
42-hour power reserve with chronograph switched off,
37-hour power reserve with chronograph switched on.
hronograph, 30-minute counter, hours,
minutes, seconds, day-of-the-month calendar.
Case: Stainless Steel
Slightly rounded edges,
diameter: 40 mm, height: 14 mm.
For straps with 18 mm width.
Right side of dial: minutes counter,
left side of dial: seconds counter, calendar at "6 o'clock".
The watch is running well and keeps correct time.
Watch comes with black strap 18mm!