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Epson SOLAR Series Watch Movement Specification And Drawing

Epson SOLAR Series Watch Movement Specification And Drawing

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Watch Movement Specification and Drawing
SOLAR SERIES
Cal. VS72A
Movement Size
12'''
Casing Diameter
27.0mm
Ø
Height
4.40mm
Running Time
Approx. 6 months

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Summary of Contents for Epson SOLAR Series

  • Page 1 Watch Movement Specification and Drawing SOLAR SERIES Cal. VS72A Movement Size 12’’’ Casing Diameter 27.0mm Ø Height 4.40mm Running Time Approx. 6 months...
  • Page 2 Date: 24/Sep./'19 Cal. VS72A Items Rev. Page Features Specifications Appearance Casing Hand fitting Hand setting stem Dial Solar cell unit Attention-01 9-01 Attention-02 9-02 Attention-03 9-03 Operation-01 10-01 Operation-02 10-02...
  • Page 3 Date : 24/Apr./'15 Cal. Features VS72A Rev. : 01 1.Solar-powered watch This watch is a solar-powered watch containing a solar cell underneath the dial to convert any form of light into '' electrical energy'' and store the power in a secondary battery. 2.
  • Page 4: Specifications

    1/Sep./'15 Date : Cal. VS72A Specifications Rev. : 03 Solar Analog Quartz 12''' Center Second Chronograph Movement 1. MOVEMENT DIMENSIONS Outside diameter φ27.60mm(12H-6H) × 24.00mm(3H-9H) Casing diameter φ27.00mm(12H-6H) Total height 4.4mm 2. TIME STANDARD Type of quartz oscillator Tuning fork Frequency of quartz oscillator 32,768 Hz Accuracy...
  • Page 11 Date : 24/Sep./'19 Cal. Attention-01 VS72A Rev. : 02 1. Attention for solar cell unit Pay attention not to touch and scratch the surface of the solar cell. 2. Dial transparency rate Keep the transparency rate of the dial more than 30%. (Effective aperture is φ27mm) Each elements of solar cell must be kept the transparency rate.
  • Page 12 24/Sep./'19 Date : Cal. Attention-02 VS72A Rev. : 03 6. How to remove the setting stem ・ When removing the setting stem, pull out the crown at 1st click position and then remove the setting stem while pressing the hollow portion of setting lever by tweezers. (Refer to the Fig.[3].) ・...
  • Page 13 24/Sep./'19 Date : Cal. Attention-03 VS72A Rev. : 01 13.How to set the dial The dial is held by the four guide poles on the solar cell unit. 14.Piezoelectric element Stick piezoelectric element to the center of case back. Case back Piezoelectric element : φ18mm Piezoelectric element must be stuck to case back by thermoplastic adhesive.
  • Page 14 Date : 24/Apr./'15 Cal. VS72A Operation-01 Rev. : 01 1/5 second chronograph hand Minute chronograph hand Hour hand Minute hand 2H button Small second hand 0 ® 1 ® 2 Crown 4H button Alarm hour hand Alarm minute hand Crown position 2nd click 0 click 1st click...
  • Page 15 24/Apr./'15 Date : Cal. VS72A Operation-02 Rev. : 01 Chronograph function ・ The chronograph can measure up to 60 minutes in 1/5 second increments. ・ When the measurement reaches 60 minutes, the chronograph automatically stops counting. Standard measurement 2H button 2H button 4H button Start...

This manual is also suitable for:

Vs72aSolar vs72a