RONDA startech
Caliber 3520.D – 10½ x 11½'''
Functions
– Chronograph
– Center stop second (1/1
sec)
– 30 minute / 12 hour
counter
– ADD and SPLIT functions
– 2 eyes
– Small second
– Date
Technical Specifications
Diameter Total
26.20 mm
Case fitting
23.90 mm
Movement height
4.90 mm
Height over standard battery
4.90 mm
Movement rest
0.80 mm
Height over stem
1.70 mm
Length of stem travel
1.00 mm
Stem thread
0.90 mm
Standard battery
384
Standard battery life
54 months
Battery voltage
1.5 V
Current consumption – typical
1.14 μA (Date
Mechanism not in
Gear)
Current consumption – maximum
1.65 μA (Date
Mechanism not in
Gear)
Useful torque second – typical
6 μNm
Useful torque minute – typical
300 μNm
Useful torque center stop second – typical
6 μNm
Operating temperature
0 - 50 °C
Instantaneous rate
-10/+20 sec/month
Resistance to magnetic fields
18.8 Oe
Resistance against shock
NIHS 91-10
Date: 03.10.2020
www.ronda.ch
Page: 3