Seiko 7T32B Parts Catalogue /Technical Manual

PARTS CATALOGUE / TECHNICAL GUIDE
Cal. 7T32B
Cal. 7T42B
[SPECIFICATIONS]
Cal. No. 7T42B
item
Movement
The illustrations refer to Cal. 7T32B. : {x 1.0)
Outside diameter! ø27.6mm
24.0mm between 3 o'clock and 9 o'clock sides
Movement size | Casing diameter | ø27.0mm
24.0mm between 3 o'clock and 9 o'clock sides
3.2mm
Time indication Main time Stopwatch Alarm Timer (for Cal. 7T42B)
Minute and | Small hour and | Minute and second hands
1/5-second | minute hands (Stopwatch 1/5-second
hands and minute hands)
Hour, minute
and smali
second hands
Driving system . Step motor, 4 pieces
Additional mechanism e Electronic circuit reset switch
¢ Train wheel setting device
+ Battery life indicator (Small second hand moves at two-second intervals.}
e Date calendar
s Instant setting device for date calendar
e Stopwatch function (Up to 30 minutes in 1/5 seconds)
* Accumulated elapsed time measurement
« Split time measurement
¢ Timer function (Up to 60 minutes in minutes)
© Alarm function (12-hour indication system}
e Alarm test system
Loss/gain Monthly rate at normal temperature range: less than 15 seconds
Regulation system Nit
Battery SEIKO SR927W, Maxell SR927W, SONY SR927W, EVEREADY 399
Battery life is approximately 2 years.
Voltage: 1.55V
Jewels 0 jewel
SEIKO CORPORATION