Vostok Amfibian Watch 2416 170893

Self-winding with a safety device against over-winding of the spring.
Stainless steel bracelet (all metal).
Water protection: 20 atmospheres (200 meters).
Instant calendar.
Number of stones – 31.
Case: stainless steel, brushed. The time disc and crown are polished.
Mechanism Vostok 2416B.
Organic glass.
Shockproof device for the balance axis.
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.