Citizen 90S5 User manual

90S5
11 ½’’’
Height
<mm> 3.90
100 pcs
Original
Package
Running
time
(more than) 42 hours
-10+30 sec
Accuracy
<per Day>
(under) 40 sec
Posture
Difference
90S5
(vibration) 28800
Vibration
Frequency
<per Hour>
51 degree
ift
Angle
24 pcs
Jewels
Clearance
Movement
0.3-0.4mm
0.35-0.45mm
Hand
case








 
 
Size
<ligne>
Setting the Time
90S5



AUTOMATIC & MANUAL WINDING MOVEMENT
WITH FRONT VIEW SKELETON
Basic s
p
ecification
Function
Automatic & manual winding
Display by means of hands: hour, minute, second.
Front view skeleton
Stop second device
Shock-absorber device for balance staff
Technical characteristics
Balanceable weight of hands
Second hand Max. 0.60μN ・m
Minute hand Max. 1.25μN ・m
Hour hand Max. 1.50μN・m
Hands fitting force
Second hand Max. 30N
Minute hand Max. 50N
Hour hand Max. 50N
Lift angle 51°
Casing Non-corresponding to "Divers' watches" defined by ISO6425
Time performance
※Accuracy of the mechanical watch is different from the daily rate of the quartz watch and the accuracy will change
maximum of several ten seconds during rewinding the spring, then the accuracy of the half winding condition will
be different from that of full winding condition.
<Time performance measurement condition>
Accurac
y
Measure within lapse of 10～60 minutes from full winding.
Posture difference
Measure accurac
y
in 4 different
p
ostures shown on the
ri
g
ht
p
icture within la
p
se of 10 ~ 60 minutes from full windin
g
.
※Direction of 4 postures ①Date Dial side Up ②6 o'clock side up ③9 o'clock side up ④3 o'clock side up
Runnin
g
time
Measure the runnin
g
time from full windin
g
.
※The mainspring becomes fully winded by rotating the ratchet wheel 7.5 times (turning the crown 40 times).
Cal. 90S5
Φ26.0mm
Ligne 11-1/2'''
Overall diameter
Φ25.6mm
3.90mm
28800 vibrations per hour
Case fitting diameter
Total height
Vibration frequency
24 Jewels
Jewels
Accuracy
Posture difference
Running time
-10～30 seconds/day
Under 40 seconds/ day
More than 42 hours
①
②
④③

Automatic winding structure
Winding direction : Clockwise (seeing from case back side)
Operating method
Winding the mainspring, adjusting the hand, date is done by the below procedure.
(1) Winding the mainspring
Automatic winding watch can be also manual-winded by turning the crown in "A" position.
Wind 15～20 times clockwise until second hand starts to move naturally.
(2)Adjusting time
Rotate the crown in "B" position and adjust the standard time.
Separated parts
These specifications might be changed without prior notice.
Winding stem
Screw for dial fixing
Spacer 212-A47 x 1
929-808 x 2
065-A05 x 1
Plastic movement holder 500-002 x 1