PARTS LIST/TECHNICALGUIDE
Double Retrograde Chronograph Cal. 7T85
[SPECIFICATIONS]
1/17
Movement
Item Cal. No. 7T85A
0 jewel
Stepping motor, 4 pieces
• Battery life indicator (The small second hand moves at two-sec-
ond intervals.)
• Date correction function
• Second hand stop function
• Electronic circuit reset function
Monthly rate: Less than 15 seconds (worn on the wrist at
temperature range between 5 ºC and 35 ºC)
Use 10-second gate.
SEIKO SR927SW
Nil
1.55 V
Approx. 3 years
• STOPWATCH functions
100-minute stopwatch in 1/5-second increments, consecutively
measurable up to 300 minutes (5 hours)
Accumulated Elapsed Time Measurement
Split Time Measurement
STOPWATCH hand position adjustment
1 second
4002700, 2 pieces: 2.10 – 2.70 KΩ
1. Coil block for hour, minute, and small second
2. Coil block for stopwatch second
4002711, 2 pieces: 1.80 – 2.40 KΩ
1. Coil block for stopwatch minute
2. Coil block for stopwatch 10 minute
Circuit block: Less than 0.30 μA
Movement: Less than 1.10 μA
Date setting (clockwise)
Time setting, hand position adjustment / resetting the circuit
Free
