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Specifications - Seiko 7T04A Technical Manual

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SPECIFICATIONS

Cal. 7T04A is a new basic calibre which has a big date indicator function, but the basic movement
structure of Cal. 7T04A 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. 7T04A.
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
This is the multi-display analogue watch featuring a stopwatch function.
● The time is indicated by the 24-hour, hour and minute hands, and a small second hand.
● The stop watch can measure up to 60 minutes in 1/5-second increments. After 60 minutes,
it will start counting again from "0" repeatedly up to 12 hours.
1. STOPWATCH FUNCTION
● Measurement performance
Displays the elapsed time with the 2 designated STOPWATCH hands.
Measures up to 60 minutes in 1/5-second increments.
● Button operation (Crown position: Normal position)
Button A: START/STOP
Button B: SPLIT/SPLIT RELEASE/RESET
Cal. 7T04A
Big date indicator
Hour hand
Small second hand
STOPWATCH minute hand
Minute hand
A
24-hour hand
CROWN
a
b
c
a: Normal position
B
b: First click
c: Second click
STOPWATCH 1/5-second hand
2/2
Cal. 7T04A

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