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PARTS CATALOGUE
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TECHNICAL GUIDE
Cal. S140A, S143A
Cal. No.
Item
S140A
(x 0.7)
The illustrations refer to Cal. S143A.
Module
Module size
Outside diameter
49.3 mm between 6 o’clock and 12 o’clock sides
43.0 mm between 3 o’clock and 9 o’clock sides
[SPECIFICATIONS]
S143A
–
Casing diameter
Height
8.75 mm
Display medium
Nematic Liquid Crystal, FEM (Field Effect Mode)
Liquid crystal driving system
1/4 multiplex driving system
Display system
• Stopwatch display (Up to 10 hours)
•
Split time/lap time measurement
•
Total time measurement/lap time measurement in progress
• Time/calendar display
• Stroke display (Only for Cal. S140A)
Additional mechanism
• Memory function: Up to 300 measurements
• Memory capacity indicator
• Confirmation sound for watch operation
• Contrast adjustment function
• Battery life indicator
• Printout function (Only for Cal. S143A)
Regulation system
Nil
Measuring gate by quartz tester
Any gate can be used.
Battery
SEIKO CR2430, Sony CR2430
Battery life is approximately 3 years.
(When the stopwatch is used for 3 hours a day or less)
Voltage: 3.0 V
±
0.0006% at normal temperature range (corresponds to a loss/gain
(monthly rate) of less than 15 seconds)
Loss/gain
