Related Manuals for Epson YM90A
Summary of Contents for Epson YM90A
- Page 1 Watch Movement Specification and Drawing CHRONOGRAPH Cal. YM90A Movement Size 12’’’ Casing Diameter Ø 27.0mm Height 3.70mm Battery Life 5 years...
- Page 2 Date: 22/Aug./'23 Cal. YM90A Items Rev. Page Specifications Appearance Casing Hand fitting Hand setting stem Dial-01 6-01 Dial-02 6-02 Holding ring for dial Attention for assembly Attention of casing part structure Operation-01 10-01 Operation-02 10-02...
- Page 3 22/Aug./'23 Date : Cal. YM90A Specifications Rev. : 01 Analog Quartz 12''' Center second Chronograph Movement 1. MOVEMENT DIMENSIONS φ27.60mm(12H-6H) × 24.00mm(3H-9H) Outside diameter φ27.00mm(12H-6H) Casing diameter Total height 3.7mm (including battery) 2. TIME STANDARD Type of quartz oscillator Tuning fork...
- Page 11 15/Dec./'17 Date : Cal. YM90A Attention for assembly Rev. : 02 1.How to replace the battery ・ Please use the specified battery to keep the stable performance for a long time. ・ Please install the minus part of the battery towards inside of the watch.
- Page 12 31/Jul./'17 Date : Cal. YM90A Attention of casing part structure Rev. : 00 1.Minute hand The center wheel have a safety stopper structure to prevent the minute hand from being pressed too much. However pay attention to the contact between hour hand and minute hand.
- Page 13 31/Jul./'17 Date : Cal. YM90A Operation-01 Rev. : 00 1/5 second chronograph hand Minute hand Hour hand 2H button 0 → 1 → 2 Crown 4H button Minute chronograph hand Crown position 0 click 1st click 2nd click Turn clockwise for date...
- Page 14 31/Jul./'17 Date : Cal. YM90A Operation-02 Rev. : 00 Chronograph function ・ The chronograph can measure up to 60 minutes in 1/5 second increments, capable of timing 12 hours. ・ When the measurement reaches 12 hours, the chronograph automatically stops counting.
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