Vintage Soviet "Agat" Mechanical Stopwatch in Case

Vintage Soviet "Agat" Mechanical Stopwatch – a true collector's item from the renowned Zlatoust Watch Factory. Featuring a single-button design and housed in a protective case, this stopwatch is a symbol of quality craftsmanship from the USSR.

This mechanical stopwatch is ideal for timing intervals in minutes, seconds, and fractions of a second. It was widely used in sports competitions, scientific research, and timekeeping activities. The mechanism boasts a 42mm caliber with ruby bearings, a spring motor, and an anchor escapement system with a "balance-spring" oscillation period of 0.4 seconds.

Key Features:
- 60-second scale with 0.2-second divisions
- 30-minute counter with 1-minute divisions
- Single-button control for start, stop, and reset
- Chrome-plated metal case
- White enamel dial with black numerals and hands

Technical Specifications:
- Accuracy class: 2
- Maximum error over 30 minutes: ±1.0 seconds
- Operating temperature range: -20°C to +40°C
- Dimensions: d50x18x70 mm
- Power reserve: 18 hours on a full wind

This rare collectible comes complete with its original case, instruction manual, and certificate of authenticity. Perfect for enthusiasts of vintage military goods or precision timekeeping instruments.