Russian Chronograph Watch Pilot Aviator Berkut 31681-2
Russian mechanical chronograph PILOT — Sukhoi S-37 ‘BERKUT’ FIGHTER AIRCRAFT
Movement: Mechanical Poljot 31681 caliber, hand-wound, diameter 31 mm, height 7.35 mm, 25 Ruby jewels, mean-daily rate from -20 to +40 sec/day, 21,600 beats per hour, 42-hour power reserve with chronograph switched off, 37-hour power reserve with chronograph switched on.
Indicators: minute counter side hand at 3 o’clock, second counter at 9 o’clock, military time (24-hour scale) indicator at 6 o’clock, date window between 4 and 5 (20 and 25).
Functions: Chronograph, stopwatch with 30-minute summing action, hours, minutes, seconds, military time, date-of-the month.
Face: Black, Arabic numerals, numbers and hands are coated with luminous SuperLumiNova paint, making it easier to see in the dark. Sweep-type chronograph second hand.
Case: All stainless steel, diameter is 40 mm, height 13 mm, luxury sapphire crystal, screwed caseback, Water Resistant 5 ATM. Serial number on the back cover. Lug size: 20 mm.
Wristband: Leather band.
The watch comes in a gift box with user’s manual in English/Russian.
2 year warranty.