Seiko 9F62 Manual - Page 4
Names Of The Parts, Check The Caliber Number - grand
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■CHECK THE CALIBER NUMBER About the caliber number The caliber number is a four-digit number that indicates the model of a movement (mechanical part of a watch). The Grand Seiko watch is mounted with an exclusive caliber. The mechanical caliber number starts with "9S", the spring drive caliber number starts with "9R" and the quartz caliber number starts with "9F". ※ Some quartz caliber number starts with "8J" or "4J". How to check the caliber number The four-digit model number on the case back is the caliber number. Model Number (Ex.) 9F83-00A0 Caliber Number 9F83 ※ The above figures are examples and may differ from the figure on the case back of your watch. 4 English ■NAMES OF THE PARTS 9F83 Minute hand Hour hand First click position (date/day setting) Second click position (time setting) Second hand Crown Date 9F82, 9F62, 4J52 Minute hand Hour hand First click position (date setting) Second click position (time setting) Second hand Crown Date 5