JM-504 JM-803 JM-806 JM-807 Steel Mechanical Stopwatch Track Field Running Competition Stop Watch Metal Sports Training Timer
Features:
One button function- starts, stops and returns to zero by consecutive crown depressions.
The movement contains 13 gemstones, it can maintain normal operation in the -10 to +40 temperature range.
Durable, dust, water, shock and corrosion resistant.
The watch machine adopts stainless steel spring, single metal light balance wheel, nickel base alloy hairspring and kelleg vertical mechanism.
JM-504
Minute hand: 15 minutes/lap
Second hand: 30 seconds/lap
Minimum scale value: 0.1 second
30 seconds without pause
Continuous travel time: ¡Ã 6 hours
Category: stainless steel mechanical stopwatch
Size: 60¡¿50¡¿26mm
Weight: 91g
JM-803
Minimum scale value: 1/10s
Minute hand: 15 minutes / turn
Second hand: 30 seconds / lap
Continuous travel time: 6H
Pause: push button
Size: 50 small x70x16mm
Weight: About 130g
JM-806
Minimum scale value: 1/5s
Minute hand: 30 minutes/lap
Second hand: 60 seconds/lap
Continuous travel time: 6H
Pause: push button
Size: 50x70x16mm
60 seconds with pause
Minute hand per revolution / second hand per revolution 30 minutes /60 seconds
Minimum scale value: 0.2 seconds
Continuous travel time: 6 hours
JM-807
Minimum scale value: 1/10s
Minute hand: 15 minutes / turn
Second hand: 30 seconds / lap
Continuous travel time: 6H
Size: 50x70x16m
Package includes:
1pc x mechanical stopwatch
1pc x storage box
1pc x rope
Notes:
Transition: 1cm=10mm=0.39inch
1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
2. Please allow 1-3cm measuring deviation due to manual measurement.
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