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Time Module VD8 series Technical Manual

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Revised on : 24. Dec. 2013
TECHNICAL GUIDE
&
PARTS CATALOGUE
Cal.VD8Serise
(Cal.VD84/85/86/87A)
ANALOGUE QUARTZ
SII Products

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Summary of Contents for Time Module VD8 series

  • Page 1 Revised on : 24. Dec. 2013 TECHNICAL GUIDE & PARTS CATALOGUE Cal.VD8Serise (Cal.VD84/85/86/87A) ANALOGUE QUARTZ SII Products...
  • Page 2: Parts Catalogue / Technical Guide

    PARTS CATALOGUE / TECHNICAL GUIDE VD8Series Version-04 [SPECIFICATION] Cal. No. VD84A Item Movement *Refer to the 2pages for other Cal. No. specifications. φ23.70 mm 22.60 mm : between 12 o'clock and 6 o'clock sides Outside diameter 22.60 mm : between  3 o'clock and 9 o'clock sides Movement φ23.30 mm     size...
  • Page 3 Version-02 MOVEMENT VARIATION VD8A VD84A VD85A 24hours (Retrograde) Date Date (Retrograde) Small-second Small-second VD86A VD87A Date (Retrograde) Date (Retrograde) Small-second Small-second SII Products...
  • Page 4 Version-04 PARTS CATALOGUE VD8A ⇒ Disassembling procedures Figs. Lubricating : Types of oil Oil quantity ⇒ Moebius A Normal quantity Reassembling procedures Figs. Moebius F <<VD84A>> Hour , Minute hands Small second , Date-Day calendar 24Hour hands Dial 0012 079 Support for dial side parts screw 0802 469 Day driving wheel...
  • Page 5 Version-04 PARTS CATALOGUE VD8A ⇒ Disassembling procedures Figs. Lubricating : Types of oil Oil quantity ⇒ Moebius A Normal quantity Reassembling procedures Figs. Moebius F <<VD85A>> Hour , Minute hands Small second , Date-Day calendar hands Dial 0012 079 Support for dial side parts screw 0802 469 Day driving wheel 0604 171...
  • Page 6 Version-04 PARTS CATALOGUE VD8A ⇒ Disassembling procedures Figs. Lubricating : Types of oil Oil quantity ⇒ Moebius A Normal quantity Reassembling procedures Figs. Moebius F <<VD86A>> Hour , Minute hands Small second , Date-Day calendar hands Dial 0012 079 0802 469 Support for dial side parts screw Day driving wheel 0604 172...
  • Page 7 Version-02 PARTS CATALOGUE VD8A ⇒ Disassembling procedures Figs. Lubricating : Types of oil Oil quantity ⇒ Moebius A Normal quantity Reassembling procedures Figs. Moebius F <<VD87A>> Hour , Minute hands Small second , Date-Day calendar hands Dial 0012 079 Support for dial side parts screw 0802 469 Day driving wheel 0604 172...
  • Page 8 Version-07 PARTS CATALOGUE VD8A ⇒ Disassembling procedures Figs. Lubricating : Types of oil Oil quantity ⇒ Moebius A Normal quantity Reassembling procedures Figs. Moebius F *Refer to the 8pages for the each parts code Battery 0012 168 Battery connection (+) screw 4004 271 Circuit block (with coil block) *Battery connection(+)
  • Page 9 Version-02 PARTS CATALOGUE VD8A Remarks: Parts code VD84A VD85A VD86A VD87A Parts name ― ― 0100 471 Main Plate ― ― 0100 472 ― ― ― 4271 476 ― ― ― 4271 477 Battery connection(+) ― ― ― 4271 478 ―...
  • Page 10: Technical Guide

    Version-02 TECHNICAL GUIDE VD8A ・The explanation here is only for the particular point of Cal.VD8A 1.REMARKS ON 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 Day transmission wheel...
  • Page 11 Version-02 TECHNICAL GUIDE VD8A (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 Insulator Notes:To insulate between the battery connection (+) and the battery connection (-), the insulator should put at the three pin securely as bellow.
  • Page 12 Version-02 TECHNICAL GUIDE VD8A (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 "...
  • Page 13: Time Setting

    Otherwise, 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. Notes in time setting of Cal.VD8 series When time setting is done with counterclokwise, date hand might be reversed.