Seiko 7T85 Technical Manual page 13

TECHNICAL GUIDE
● Value checking – coil resistance (coil blocks)
Check the resistance of each coil block if they are within the range in the following table.
COIL BLOCK (A)
STOPWATCH COIL BLOCK FOR SECONDS
STOPWATCH COIL BLOCK FOR MINUTES
COIL BLOCK FOR STOPWATCH 10-MINUTE
2.10 KΩ ~ 2.70 KΩ
4002700
4002700
2.10 KΩ ~ 2.70 KΩ
4002711
1.80 KΩ ~ 2.40 KΩ
4002711
1.80 KΩ ~ 2.40 KΩ
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Cal. 7T85A