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PARTS LIST / TECHNICAL GUIDE
ANALOGUE QUARTZ
Cal. 5Y19A
[SPECIFICATIONS]
Cal. No.
Item
5Y19A
Movement
Driving system
Additional mechanism
Loss/gain
Monthly rate within normal temperature range: less than 15 seconds
Regulation system
Nil
Measuring gate by quartz tester
Use 10-second gate
SEIKO SR920SW
Battery
Battery No.
Voltage
1.55 V
Battery life
Approximately 3 years
Jewels
0 jewels
Step motor (Load compensated driving pulse type)
• Day calendar
• Instant date setting divice
• Date calendar
• Electronic circuit reset switch
• Train wheel setting device
• 24 hour indicator
• 3 hands (hour, minute and
sec ond hands)
•
Diameter
Outside : ø 24.0 mm
21.5 mm between 3 o’clock and 9 o’clock sides
21.5 mm between 6 o’clock and 12 o’clock sides
Casing
:
ø 23.3 mm
21.3 mm between 3 o’clock and 9 o’clock sides
21.5 mm between 6 o’clock and 12 o’clock sides
• Height: 3.07 mm (Including battery portion)