Watches with central second hand.
Automatic movement with 31 jewels.
Waterproof 200 metres (20 atm).
Stainless steel case and bracelet.
Shock resistant balance.
Average daily rate at temperature 20±5°С -20, +60 seconds.
Totally wound up watches run no less than 31 hrs.
Average lifespan of the mechanism - 10 years.