Vostok Komandirskie Watch 2431 280988

Self-winding with a safety device against over-winding of the spring.
Water protection: 20 atmospheres (200 meters).
Indication of the time of day using the hour hand (24 hours).
Instant calendar.
Number of stones – 31.
Case: stainless steel.
Movement 2431.
24 mm caliber movement with central seconds hand.
Organic glass.
Shockproof device of the balance unit.
Nylon belt (ZULU) 20 mm.
The average service life of the mechanism is 10 years.
Average daily cycle: -20… +60 seconds per day.
The energy reserve of one spring winding is at least 31 hours.