cal. vr42b - epson · 2020-04-28 · date: 1/feb./'19 cal. vr42b items rev. page features 00 1...
TRANSCRIPT
Watch Movement Specification and Drawing
Ø 30.6mm
Approx. 4 months
SOLAR SERIES
Cal. VR42B
Movement Size
Casing Diameter
Height
Running Time
13 1/2’’’
4.52mm
Date: 1/Feb./'19
Cal. VR42BItems Rev. Page
Features 00 1Specifications 01 2Appearance 00 3Casing 00 4Hand fitting-01 01 5-01Hand fitting-02 01 5-02Hand setting stem 00 6Dial-01 00 7-01Dial-02 00 7-02Casing ring 00 8Solar cell unit-01 00 9-01Solar cell unit-02 00 9-02Attention-01 00 10-01Attention-02 00 10-02Attention-03 00 10-03Operation-01 00 11-01Operation-02 00 11-02
Date :
1.Solar-powered watch
light into '' electrical energy'' and store the power in a secondary battery.
2. Eliminating the need for battery replacement
need for battery replacement.
3. You can use the dial which light transmittance is more than 30%It is possible to assemble the dial which transmits light on the solar cell.It enabled to cover the solar cell color, and you can design variety colors of dials.
4. Running timeExpected running time from full charge to stoppage will be around 4 months.
5. Power depletion warning functionThe two-second intervals movement of the second hand is a signal of energy depletion.The watch continuous running time after two-second intervals movement is approximately 2 weeks.
6. Over charge prevent function is equippedIf the secondary battery is charged more than predetermined voltage, over charge prevent function isoperated to prevent the secondary battery deterioration and breakage.
7. Structure of the separated parts
Unlike conventional quartz watches, this watch does not use a silver oxide battery, thus eliminating the
This watch is a solar-powered watch containing a solar cell underneath the dial to convert any form of
Cal.VR42B Features
19/Oct./'18
Rev. : 00
Solar cell unit
Solar cellHolding ring for dial
Solar cell lead terminal
Movement
Hand setting stem
Secondary battery unit
P. 1
Date :
1. MOVEMENT DIMENSIONSOutside diameter φ31.20mm × 28.00mm(3-9H)Casing diameter φ30.6mmTotal height 3.97mm (Including solar cell : 4.52mm)
2. TIME STANDARDType of quartz oscillator Tuning forkFrequency of quartz oscillator 32,768 HzAccuracy ±20 seconds per month (on wrist)Operating temperature range -5℃ to +50℃Regulation device Nil (Pre-adjusted)
3. INDICATOR / FUNCTIONS3 Hands Hour / Minute / SecondSmall hands 24 hour(3H) / Second chronograph(6H) / Minute chronograph(9H) Calendar Instant setting device for date calendarReset switchPower depletion warning function
(Second hand moves at 2-second intervals when voltage is 1.2V)Running time Approx. 4 months (After fully charged)Setting mechanism Crown at normal position : Free
Crown pulled out 1st click : Instant date changeCrown pulled out 2nd click : Time setting / Reset
Chronograph 1/1 second up to 30 minutes with split time measurementBattery indicator Push 4h button (more than 1second)
4. FEATURESJewels 0 JewelsAnti-magnetism Over 1600A/m (Direct current magnetic field)Driving current consumption Approx. 1.45μA (1.4V,chronograph non-operates)Operation stopping voltage 1.2V(Chronograph function)Solar cell type Amorphous silicon solar cellMaximum unbalance of hands Hour hand : 0.6μN・m
Minute hand : 0.9μN・mSecond hand : 0.09μN・m24 hour hand : 0.05μN・mSecond chronograph hand : 0.05μN・mMinute chronograph hand : 0.05μN・m
Moment of inertia Second hand : less than 0.25 μg・m²Second chronograph hand : less than 0.05 μg・m²
5. SECONDARY BATTERYType Titanium-lithium-ion secondary batterySize φ9.5mm × t 2.05mmNominal voltage 1.5 VCapacity 5.5 mAh
6. SEPARATED PARTS (Parts code)Hand setting stem 0351578 or 0351177Secondary battery unit 302334RSolar cell unit 4020529(4.5H window) / 4020544(4H window)Solar cell lead terminal (2pcs) 4281516
7. TEST OF ACCURACYEquipment to be used SEIKO quartz tester QT-99,
Greiner quartz timer-C , Witschi Q-tester 4000Duration of measurement 10 secondsMicrophone to be used Electromagnetic detection type
All specifications are subject to change without notice.
Cal.
Solar Quartz 13 1/2''' Chronograph Movement
VR42B Rev. : 01
30/Nov./'18Specifications
P. 2
Date :
1. Attention for solar cell unitPay attention not to touch and scratch the surface of the solar cell.
2. Dial transparency rateKeep the transparency rate of the dial more than 30%. (Effective aperture is φ27mm)Each elements of solar cell must be kept the transparency rate.
3. The guideline of charging time is as in below(Dial transparency rate = 30%)
700 Inside the office ― 693,000 30W 20cm 52 15
10,000 Cloudy 16 5100,000 Fine weather 5.3 2
Condition A : Time required for full chargeCondition B : Time required for steady operationCondition C : Time to charge 1 day of power
4. How to set the secondary battery unitPlease set the exclusive secondary battery unit.(The secondary battery is Titanium-lithium-ion battery without any environmentally harmful substances.)Please install the minus part of the secondary battery towards inside of the watch.If the silver oxide battery is accidentally set and charged, there is a possibility of battery explosion.To prevent from the battery explosion, it is adopted safety structure not to charge the silver oxide batteryeven if it is accidentally set.Install the secondary battery unit under the circuit block cover as illustrated below A and B.Check whether the secondary battery lead plate is surely connected to minus terminal. (Refer to the Fig.[2])
C(Approx. Minutes)
A fluorescent lamp18
Illumination(Lx) Source of light Environment
A(Approx. Hours)
B(Approx. Hours)
Cal.VR42B Attention-01
19/Oct./'18
Rev. : 00
Sun light1.50.5
4
Fig.[2] (Detail of A)
minus terminal
secondary battery lead plate
Fig.[1]
A
B
P. 10-01
Date :
5. How to remove the setting stemWhen removing the setting stem,put the setting stem at normal position and push the ''setting lever'' bytweezers. (Refer to the Fig.[3].)The ''setting lever'' can not be push if the setting stem is not at normal position.
6. Attention of casing part structureUse the specified holding ring for dial to prevent rotation of the movement inside of the case in order to stabilize the button operation.Refer to the [Solar cell unit] page instruction as to the shape and tolerance.Use the metal case to prevent from the movement malfunction by static electricity.
7.How to set the handsEach hand moves at step interval. Set the each hand at correct position according to the scale on the dial in order not to make a mistake in reading time.Do not turn the hand forcibly.
8.How to remove the handsWhen removing the hands, use exclusive fork-shaped tools.Do not remove the dial under the condition that any hands are set.When set and remove the hour hand repeatedly, it may reduce the hand fixing torque because the hour wheel is made by plastic.To ensure the enough fixing torque, it isn't recommended to re-assemblethe hour hand more than five times.(Type M only)
9. CautionWhen charging the watch, do not place it too close to fluorescent lamp or other light sources as the watchtemperature will become extremely high, causing damage to the parts inside the watch.
10. How to set the solar cell lead terminalPlease set 2pcs of solar cell lead terminals in accordance with this illustration.As to the solar cell lead terminal shape, there is no distinction between upper and lower.
11. How to set the solar cell unitPush above part of each hook on the solar cell unit into main plate certainly.
Cal.VR42B Attention-02
19/Oct./'18
Rev. : 00
Fig.[3]
P. 10-02
Date :
12.How to set the dialThe dial is held by the four guide poles on the solar cell unit.
13. Button positionPlease keep the clearance between the movement and the tip of button to prevent the interferencein assembling and enable to be cased smoothly.
To keep the clearance,it is recommended to use button spring.
Cal.VR42B Attention-03
19/Oct./'18
Rev. : 00
Button
Clearance
1515(From movement center)
P. 10-03
Date :
0 click 1st click
Crown Free Turn counterclockwise fordate change
2H button Chronograph Start/StopRestart
Chronograph Start/StopRestart
Chronograph ResetSplitSplit release
Chronograph ResetSplitSplit release
Battery indicator[*1] (Press more than 1second)
Battery indicator[*1] (Press more than 1second)
Chronograph functionSecond chronograph hand is capable of timing 30 minutes. (60 seconds x 30 times)Minute chronograph hand is capable of timing 30 minutes.
■Standard measurement
■Accumulated elapsed time measurement
■Split time measurement
■Measurement of two competitors
Cal.VR42B
Crown position
2nd click
Operation-0119/Oct./'18
Rev. : 00
4H button
Time setting
Chronograph hands 0-setting(clockwise)
Chronograph hands 0-setting(counterclockwise)
0 → 1 → 2
2H button
4H button
Minute hand
Second hand
Minute chronograph hand
Crown
Hour hand
Second chronograph hand
24 hour hand
Start Stop Reset2H button 2H button 4H button
Start Finish time of 1st competitor
2nd competitorfinishes
2H button 4H button 2H button 4H button 4H buttonResetFinish time
of 2nd competitor
Start Split Split 2H button 4H button 4H button 2H button 4H button
ResetStop
Measurement and release of split time can be repeated by pressing 4H button.
Start Stop2H button 2H button 2H button 2H button 4H button
Reset
Restart and stop of the chronograph can be repeated by pressing 2H button.
Restart Stop
P.11-01
Date :
Battery indicator
Press 4H button more than 1 second. The remaining battery capacity is indicated.Status indication is 2 seconds.Then it return automatically.
Battery indicator and durationBattery level Power reserveDisplay
High
Middle
Low
90 days or more
30-90 days
30 days or less
Cal.VR42B Operation-02
19/Oct./'18
Rev. : 00
position:35seconds
position:40seconds
position:45seconds
P.11-02