Revised on : 06. Jun TECHNICAL GUIDE PARTS CATALOGUE. Cal.VD8Series. (Cal.VD84/85/86/87/88A) ANALOGUE QUARTZ. SII Products

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1 Revised on : 06. Jun TECHNICAL GUIDE & PARTS CATALGUE Cal.VD8Series (Cal.VD84/85/86/87/88A) ANALGUE QUARTZ

2 [SPECIFICATIN] Item PARTS CATALGUE / TECHNICAL GUIDE VD8Series Cal. No. VD84A Version-05 Movement Movement size Time indication Driving System Antimagnetic Accuracy utside diameter Casing diameter Total height Cal. No. hands 2Hands (hour, minute) Small Second hand (6H) 24Hour hand (12H) Date -Calendar Hand (3H) Date -Calendar Hand (2H) Day -Calendar Hand(9H) Retrograde Day -Calendar Hand(10H) Retrograde Additional mechanism *Refer to page 2 for other Cal. No. specifications. φ23.70 mm mm : between 12 o'clock and 6 o'clock sides mm : between 3 o'clock and 9 o'clock sides φ23.30 mm mm : between 12 o'clock and 6 o'clock sides mm : between 3 o'clock and 9 o'clock sides 3.45 mm VD84A VD85A VD86A VD87A VD88A 6 Step motor Electronic circuit reset switch Second setting device Date setting 1600 A/m Less than ±20seconds : Monthly rate at normal temperature range Battery Measuring gate by quartz tester Jewels SR626SW (Silver oxide battery) Battery life is approximately 3 years Use 10-second gate * Set the winding stem with crown at the normal position 0 Jewel * All specifications are subject to change without notice. 1

3 MVEMENT VARIATIN Version-03 VD84A VD85A 24hours Day (Retrograde) Date Day (Retrograde) Date Small-second Small-second VD86A VD87A Day (Retrograde) Date Date Day (Retrograde) Small-second Small-second VD88A Date Day (Retrograde) 2

4 PARTS CATALGUE Version-06 Disassembling procedures Figs Lubricating : Types of oil il quantity Reassembling procedures Figs Moebius A Normal quantity Moebius F <<VD84A>> 1 Hour, Minute hands 3 Dial 2 Small second, Date-Day calendar 24Hour hands Support for dial side parts screw Day driving wheel Support for dial side parts Date driving wheel Dial washer Day jumper Small hour hand wheel Day transmission wheel Date corrector wheel Day wheel bridge Day wheel Date star Hammer A Hammer B Small second wheel bridge Small second wheel Hour wheel Main plate Intermediate wheel for date corrector holder screw Intermediate wheel for date corrector holder Intermediate wheel for date corrector B Intermediate wheel for date corrector C Intermediate wheel for date corrector D 3

5 PARTS CATALGUE Version-06 Disassembling procedures Figs Lubricating : Types of oil il quantity Reassembling procedures Figs Moebius A Normal quantity Moebius F <<VD85A>> 1 Hour, Minute hands 2 Small second, Date-Day calendar hands 3 Dial Support for dial side parts screw Day driving wheel Support for dial side parts Date driving wheel Day jumper Date corrector wheel Day transmission wheel Date star Day wheel bridge Day wheel Hammer A Hammer B Small second wheel bridge Small second wheel Intermediate wheel for date corrector holder screw Intermediate wheel for date corrector holder Intermediate wheel for date corrector B Intermediate wheel for date corrector C Intermediate wheel for date corrector D Hour wheel Main plate 4

6 PARTS CATALGUE Version-06 Disassembling procedures Figs Lubricating : Types of oil il quantity Reassembling procedures Figs Moebius A Normal quantity Moebius F <<VD86A>> 1 Hour, Minute hands 2 Small second, Date-Day calendar hands 3 Dial Support for dial side parts screw Day driving wheel Support for dial side parts Date driving wheel Day jumper Date corrector wheel Day transmission wheel Date star Day wheel bridge Intermediate wheel for date corrector holder screw Day wheel Intermediate wheel for date corrector holder Hammer A Intermediate wheel for date corrector B Hammer B Intermediate wheel for date corrector C Small second wheel bridge Intermediate wheel for date corrector D Small second wheel Hour wheel Main plate 5

7 PARTS CATALGUE Version-04 Disassembling procedures Figs Lubricating : Types of oil il quantity Reassembling procedures Figs Moebius A Normal quantity Moebius F <<VD87A>> 1 Hour, Minute hands 3 Dial 2 Small second, Date-Day calendar hands Support for dial side parts screw Day driving wheel Support for dial side parts Date driving wheel Day jumper Date corrector wheel Day transmission wheel Date star Day wheel bridge Intermediate wheel for date corrector holder screw Day wheel Intermediate wheel for date corrector holder Hammer A Intermediate wheel for date corrector B Hammer B Intermediate wheel for date corrector C Small second wheel bridge Intermediate wheel for date corrector D Small second wheel Hour wheel Main plate 6

8 PARTS CATALGUE Version-02 Disassembling procedures Figs Lubricating : Types of oil il quantity Reassembling procedures Figs Moebius A Normal quantity Moebius F <<VD88A>> 1 Hour, Minute hands 3 Dial 2 Date-Day calendar hands Support for dial side parts screw Support for dial side parts Day driving wheel Date driving wheel Date corrector wheel Day jumper Date star Day transmission wheel Day wheel bridge Day wheel Hammer A Hammer B Hour wheel Intermediate wheel for date corrector holder screw Intermediate wheel for date corrector holder Intermediate wheel for date corrector B Intermediate wheel for date corrector C Intermediate wheel for date corrector D Main plate 7

9 PARTS CATALGUE Version-09 Disassembling procedures Figs Lubricating : Types of oil il quantity Reassembling procedures Figs Moebius A Normal quantity Moebius F *Refer to page 9 for each parts code 1 Battery Battery connection (+) screw 3 *Battery connection(+) Circuit block (with coil block) Setting wheel Reset lever Insulator Battery connection(-) Minute wheel and pinion Fourth wheel and pinion Third wheel and pinion * Step rotor Center wheel and pinion Stator Train wheel setting lever Train wheel bridge Fifth wheel and pinion Setting lever Yoke * Clutch wheel Winding stem Main plate Intermediate wheel for date corrector A 8

10 PARTS CATALGUE Version-04 Remarks: Parts name Main Plate Battery connection(+) Intermediate wheel for date corrector C Dial washer Small hour hand wheel Support for dial side Parts code VD84A VD85A VD86A VD87A VD88A * All parts code are subject to change without notice. 9

11 TECHNICAL GUIDE Version-02 The explanation here is only for the particular point of Cal. 1.REMARKS N DISASSEMBLING AND REASSEMBLING (1)HAND How to install hands Place the movement directly on a flat metal plate or the like to install the hands. Metal plate Note: How to procedure hands 1The state of movement is confirmed by the position of a right picture. Pull out the crown to the second click position and rotation. The position is setting. 2Dial setting. 3Install the Day calendar hand at the first position. 4Install the Date calendar and small second hands at the 12 o'clock position. 5Pull out the crown to the second click position and rotation it clockwise the change date. 6Install the 24hour and hour and minute hands at the 12 o'clock position. (2)Day calendar (Retrograde) hand Be quick in Day calendar hand The hand instantaneously returns from B position to A position when one week passes. first position Day transmission wheel Support for dial side parts A position Direction of rotation B position (3)Winding stem How to remove While pushing the indented portion of the arrow pull out the winding stem. Push 10

12 TECHNICAL GUIDE Version-02 (4)Battery How to install Insert the battery aslant in the direction shown by the arrow. Check the battery connection (+) securely touches the side face of the battery. (5)Insulator Notes: To insulate between the battery connection (+) and the battery connection (-), the insulator should put at the three pin securely as bellow. Insulator Pin (6)Day jumper and support for dial side parts Reassembling procedures The support for dial side parts spring set to the day jumper. (A position) support for dial side parts spring Day jumper A position 11

13 TECHNICAL GUIDE Version-03 (6)Setting position (Notes at the time of disassembling and a reassembling) How to Date-Day driving wheels setting position Note: The Date indicator finger of a Date driving wheels is setting position " "mark of Main plate. The Day indicator finger of a Day driving wheels is setting position " "mark of Main plate. Cal. VD84 VD85setting position Cal. VD86 VD87 VD88setting position Enlargement Enlargement setting position Date driving wheel Day driving wheel setting position 12

14 PERATIN DISPLAY AND CRWN PERATIN VD84A VD85A Note: *6 *1: Hour hand *1 *2 *1 *2 *2: Minute hand *7 *7 *3: Small second hand *5 *8 *5 *8 *4: Date calendar hand *5: Day calendar hand *9 (Retrograde) *3 *3 *9 *6: 24Hour hand *7: Crown at normal position *4 *4 *8: First click Date setting VD86A VD87A (Quick change function) *9: Second click *2 *4 *2 *4 Time setting *7 *7 *8 *5 *8 *5 *9 *9 *3 *1 *3 *1 Version-04 VD88A *2 *4 *5 *7 *8 *1 *9 13

15 PERATIN TIME SETTING Version-01 1.Pull out the crown to the 2.Push the crown back 3.Pull out the crown to 4.Push the crown back second click when the in to the normal position the first click. in to the normal position. small second hand is at in signal. turn the crown counterthe 12 'clock position. Pull out the crown to clockwise to set the date. Turn the crown rotation to set the day of the week. Turn the crown to set the hour and minute hands to the time. (check that AM/PM is set correctly) the first click. (Quick change function) *Do not set the date between 10:00 PM and 2:00 AM therwise, the day may not change properly. If it is necessary to set the date during that time period, First change the time to any time outside it, set the date and then reset the correct time. 14

Revised on : 06. Jun TECHNICAL GUIDE PARTS CATALOGUE. Cal.VD7Series (VD70/72/73/74/75/76/77/78/79A) ANALOGUE QUARTZ.

Revised on : 06. Jun TECHNICAL GUIDE PARTS CATALOGUE. Cal.VD7Series (VD70/72/73/74/75/76/77/78/79A) ANALOGUE QUARTZ. Revised on : 06. Jun. 2018 TECHNICAL GUIDE & PARTS CATALGUE Cal.VD7Series (VD70/72/7/74/75/76/77/78/79A) ANALGUE QUARTZ [SPECIFICATIN] Item Cal. No. PARTS CATALGUE / TECHNICAL GUIDE VD7Series VD74A Version-05