Specifications; Stopwatch Function - Seiko 7T85 Technical Manual

Double retrograde chronograph
Hide thumbs Also See for 7T85:
Table of Contents

Advertisement

SPECIFICATIONS

Cal. 7T85A has a new structure employing one crown and two buttons, but the basic movement
structure of Cal. 7T85A is similar to the previous Cal. 7T Series watches, and the knowledge and
technique you have gained in handling the previous Cal. 7T Series watches will come in handy
when you repair Cal. 7T85A.
When repairing, however, you are requested to have full knowledge of the features characteristic
of these watches and strictly observe the repairing and checking instructions provided in this
guide so that the watches will be repaired correctly.
FEATURES

1. STOPWATCH FUNCTION

● Measurement performance
Displays the elapsed time with the 3 designated STOPWATCH hands.
Measures up to 09 minutes 59.8 seconds in /5-second increments.
● Button operation (Crown position: Normal position)
Button A: START/STOP
Button B: SPLIT/SPLIT RELEASE/RESET
● Measurement functions
Accumulated elapsed time measurement and split time measurement are available.
2. RESETTING THE CIRCUIT
When an abnormal display appears, reset the built-in integrated circuit. The watch will resume its
normal operation.
● Button operation (Crown position: Second click)
Press and hold buttons A and B at the same time for longer than 2 seconds.
Cal. 7T85A
Double Retrograde Chronograph
STOPWATCH 1-minute hand
Hour hand
55
50
45
40
35
Small second hand
STOPWATCH 10-minute hand
STOPWATCH 1/5-second hand
Minute hand
Button A
Crown
Button B
2/7

Advertisement

Table of Contents
loading

Table of Contents