Supports the following standards: ASTM D3385, ASTM D4647, ASTM D2171, ASTM C939, ASTM C186, ASTM C204
Time-out type stopwatch, used for timing operations and tests. Start, stop and restart are activated by depressing the crown. Hands are reset by depressing pin on side of case. Features nickel-chromium case and anti-magnetic, shock-resistant, 7-jewel movement.