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PARTS CATALOGUE
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TECHNICAL GUIDE
Cal. 7L22A
[SPECIFICATIONS]
Cal. No.
Item
Movement
7L22A
(x 1.0)
Movement
size
ø32.0 mm
ø30.0 mm
Time indication
Main time : Hour, minute and small second hands ( 1second)
Outside diameter
Casing diameter
Height
6.4 mm
Driving system
Additional mechanism
Loss/gain
Monthly rate within normal temperature range: less than 15 seconds
Regulation system
Nil
Measuring gate by quartz tester
10-second gate
Titaniume lithium ion rechargeable battery
Power
Supply
Automatic generating system
Operating voltage range
0.45 ~ 2.5 V
Duration of operation
From full charge to stoppage : Approximately 5 months
Jewels
8 jewels
Step motor, 2 pieces (Load compensated driving pulse type)
• Electronic circuit reset switch
• Train wheel setting device
• Date calendar
• Instant setting device for day
calendar
Power generator
KINETIC E.S.U
Stopwatch : Stopwatch minute and 1/5 second hands (0.2 second)
( Movement intervals)
• Automatic generating system
• Energy depletion forewarning
function
• Overcharge prevention
function
• Stopwatch function
45 minutes measurement in 1/5 second increments
Accumulated elapsed time measurement
Heartcam fly-back Reset
