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Watch Movement Specification and Drawing CHRONOGRAPH Cal. YM92A Movement Size 12’’’ Casing Diameter 27.0mm Ø Height 3.7mm Battery Life 3 years...
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Date: 11/Jan./'19 Cal. YM92A Items Rev. Page Specifications Appearance Casing Hand fitting Hand setting stem Dial-01 6-01 Dial-02 6-02 Dial-03 6-03 Dial-04 6-04 Holding ring for dial-01 7-01 Holding ring for dial-02 7-02 Attention for assembly Attention of casing part structure...
Date : 30/Jan./'15 Cal. YM92A Specifications Rev. : 05 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 3.7mm (including battery) 2. TIME STANDARD Type of quartz oscillator Tuning fork...
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15/Dec./'17 Date : Cal. YM92A Attention for assembly Rev. : 03 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.
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31/Jul./'14 Date : Cal. YM92A Attention of casing part structure Rev. : 02 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.
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31/Jul./'14 Date : Cal. YM92A Operation-01 Rev. : 03 Second chronograph hand 1/20 second chronograph hand Hour hand Minute hand 2H button Small second hand 0 ® 1 ® 2 Crown 4H button Hour chronograph hand Minute chronograph hand Crown position...
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Date : 31/Jul./'14 Cal. YM92A Operation-02 Rev. : 02 Chronograph function ・ The chronograph can measure up to 12 hours in 1/20 second increments. ・ After the chronograph is started or restarted or split time is released, 1/20 second chronograph hand moves about 10 minutes and automatically stops at the "0"...