Vostok Amfibian Watch 2431 88039B

Self-winding with a safety device against over-winding of the spring.
Water protection: 20 atmospheres (200 meters).
Dimensions: 44x50x15 mm.
Number of stones – 32.
Case: stainless steel (case ring, time disc, crown, watch back).
Weight: 100 g.
Mechanical mechanism "Vostok 2431".
Limited edition, edition 300 pcs.
Shockproof device of the balance unit.
Polyurethane belt, width 22 mm. Additionally included is a nylon belt "ZULU".
The average service life of the mechanism is 10 years.
Average daily cycle: -20… +60 seconds per day.
Sapphire glass.
Central seconds hand.
Numbers, signs, arrows are filled with fluorescent paint of variable action.
The energy reserve of one spring winding is at least 31 hours.