$281$296
Vostok-2415 automatic movement.
24 mm. caliber.
31 ruby jewels.
Frequency: 19800 semi-oscillations per hour.
Central second hand.
Average daily rate: –20…+60 sec.
Run-time reserve not less than 31 hrs.
Shock resistant balance.
Water-resistant to 200 m.
Screwed winding crown.
S..