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Vostok Amphibia 2431/13025A Exclusive 24-hours Mechanical-Automatic Watch

Brand: Vostok
Series: Amphibia
Model: 13025A
Movement: Vostok 2431 automatic (mechanical, with overwind protection)
Jewels: 32 jewels
Functions: Hours, minutes, central seconds, date
Power Reserve: Up to 31 hours
Accuracy: −20 to +60 seconds per day
Case: Stainless steel, 43.8 × 49.3 × 15 mm
Case Shape: Cushion
Case Back: Solid
Crystal: Acrylic
Bezel: Rotating
Dial Type: Analog (24-hour scale)
Dial Color: Blue
Luminescence: Hands and indexes with luminous coating
Strap/Band: Stainless steel bracelet, 20 mm width
Weight: 89 g
Shock Resistance: Yes
Water Resistance: 200 m (20 ATM)


Additional Information:
This is a 24-hour model, meaning the hour hand completes one full rotation every 24 hours instead of the standard 12 hours.

Vostok is known for producing reliable mechanical watches with distinctive designs and robust construction. The Amphibia series reflects durable engineering combined with proven mechanical craftsmanship, originally developed for diving use.
Vostok Amphibia watches are appreciated for their reliability, solid construction, and consistent performance in demanding environments.


PRODUCT DESCRIPTION & FEATURES

This Amphibia model is a 24-hour mechanical automatic watch, meaning the hour hand completes one full rotation every 24 hours instead of the standard 12. It features a central seconds hand and a date function, offering a unique and functional time display. Designed for durability and reliable performance, it includes shock resistance, a rotating bezel, and overwind protection, making it suitable for both everyday wear and underwater use.

Brand: Vostok
Series: Amphibia
Model: 13025A
Movement: Vostok 2431 automatic mechanical movement with overwind protection
Jewels: 32 ruby jewels
Frequency: 19,800 beats per hour
Accuracy: −20 to +60 seconds per day
Power Reserve: Up to 31 hours when fully wound


CASE & STRAP

Case Material: Stainless steel
Case Shape: Cushion
Case Size: 43.8 × 49.3 × 15 mm
Case Back: Solid stainless steel
Crystal: Acrylic
Strap Material: Stainless steel bracelet
Band Width: 20 mm
Weight: 89 g


DIAL & FUNCTIONS

Dial Type: Analog 24-hour
Functions: Hours, minutes, central seconds, date
Seconds Display: Central seconds
Dial Color: Blue
Luminescence: Hands and indexes


ADDITIONAL INFORMATION

Water Resistance: 200 m (20 ATM)
Shock Resistant: Yes
Bezel: Rotating


USAGE & CARE

This watch operates with an automatic movement and does not require manual winding under normal daily wear.
Avoid strong impacts and exposure to chemicals to maintain the integrity of the case and movement.
After exposure to saltwater, rinse the watch with fresh water and store it in a dry environment when not in use.

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