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All information contained in this booklet and referring to Series 245 includes ser. 246, unless otherwise noted .
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DIAL SIDE
TRAIN BRIDGE SIDE
(Indicators Removed)
(Magnetic Shield Removed)
CALIBER NO.
Fig. 1.
ENLARGED VIEW OF MOVEMENT
OF CALIBER 245
J
.------------------------------------,
Fig. 2.
CALIBER 246 WITH MAGNETIC
SHIELD.
Bulova Accutron Quartz Series 245-
Electronic
movement with quartz resonator, stepping motor,
disconnect
system, and Accuset.
®
SPECI FICATIONS
Quartz Frequency
32,768 Hz (Cycles per second)
Electronic Circuit
C-MOS Integrated Circuit-one
second signal
increments
Stepping Motor
Bipolar, 2 steps per revolution
Power Cell
One Silver Oxide Battery, 1.55 Volt Bulova 247
(Low Drain)
Power Consumption
Max. 2.5 Microamperes (Normal Running)
Max. 0.5 Microamperes
(Disconnect Position 3)
Disconnect System
When the stem is pulled out as far as it will go
(Position 3), the motor and hands stop. The Reso-
nator (Quartz) continues to vibrate, without affecting
the synchronlzatlon
of the electronic ACCUSET cir-
cuit, while preserving the life of the
battery.
Accuset
A device that corrects the second hand by merely
depressing a push button. The second hand is reset
automatically
to the time
standard.
Day Indicator
In two languages: English and Spanish, or English
and French.
CALIBER
DISPLAY
HEIGHT
DIAMETER
LlGNE
2451.10
Hour, Minute, & Second
4.20 mm
26.0 mm
11112
2452.10
Hour,
Minute, Second & Date
5.05 mm
26.0 mm
11112
r"
2453.10
Hour, Minute,
Second,
Date & Day
5.05 mm
26.0 mm
11112
~f
.
2461.10
Hour, Minute&Second
4.20 mm
20.5 mm
8
3 /4
2462.10
Hour, Minute, Second & Date
4.70 mm
20.5 mm
8
3 /4
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