DIAMOND Mechanical Stopwatch 30x2s and 60x1s, Stop Watch

Key Specifications/Special Features for DIAMOND 504 30X2S STOPWATCH:
· Each revolves 30 seconds for second hand
· Each revolves 15 minutes for minute hand
· Smallest graduation: 0.1 second
· Sequential running: 6 hours
· The mainspring of stainless steel, the balance wheel of special alloy
· The hairspring of nickle-based alloy and anchor escapement
· Ideal time-measuring tool used in scientific research, medical treatment, national defence, industrial and mining production
· Cold-resistant, moisture resistant and high-temperature resistant
· Size: ￠50x70x16mm


Key Specifications/Special Features for DIAMOND 505 60X1S STOPWATCH:
· Each revolves 60 seconds for second hand
· Each revolves 30 minutes for minute hand
· Smallest graduation: 0.2 second
· Sequential running: 12 hours
· The mainspring of stainless steel, the balance wheel of special alloy
· The hairspring of nickle-based alloy and anchor escapement
· Ideal time-measuring tool used in scientific research, medical treatment, national defence, industrial and mining production
· Cold-resistant, moisture resistant and high-temperature resistant
· Size: ￠50x70x16mm

#Stopwatch #Mechanical #Sport #Timer