Seiko KINETIC 7L22A User Manual

1
PARTS CATALOGUE / 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

Seiko KINETIC 7L22A Specifications

Operating Environment

operational temperature range	-10° C ~ +60° C
loss/gain (monthly rate)	Less than 15 seconds
frequency of crystal oscillator	32, 768 Hz

Power

duration of full charge	Approximately 5 months
duration after the second hand starts moving at two-second intervals	Approximately 12 hours
KINETIC electricity storage unit	Button type, 1 piece