Brand: Vostok Series: Amphibia Model: 71380 Movement: 2416B (mechanical, automatic winding, overwind protection) Jewels: 31 Ruby Jewels Case Size: 41.6 x 46 x 15 mm Weight: 172 g Case Material: Stainless Steel Case Shape: Cushion Case Back: Solid Band Type: Bracelet Band Material: Stainless Steel Band Width: 22 mm Shock-Resistant: Yes Water Resistance: 200 m (20 ATM) Functions: Sensitive watch with a central second hand Features: Date Dial Type: Analog 12-Hour Luminescence: Hands, Indexes Crystal: Acrylic Bezel: Rotating
Average daily rate: -20…+60 seconds per day
The duration of the stroke from the full winding of the spring is 31 hours
