RONDA mastertech
Caliber 8040.N – 15'''
Functions
– Retrograde
– Day indicator
– 3 eyes
– Chronograph
– Center stop second (1/1
sec)
– 1/10 seconds up to 30
minutes
– 30 minute counter
– 10 hour counter
– ADD and SPLIT functions
– Day Retrograde
– Big date
– Small second
Technical Specifications
Diameter Total
34.60 mm
Case fitting
33.80 mm
Movement height
5.60 mm
Height over standard battery
5.60 mm
Movement rest
0.60 mm
Height over stem
3.30 mm
Length of stem travel
1.00 mm
Force to push the stem for screwed crown
10 / 15 N
Stem thread
0.90 mm
Standard battery
395
Standard battery life
48 months
Battery voltage
1.5 V
Current consumption – typical
1.48 μA (Date
Mechanism not in
Gear)
Current consumption – maximum
2 μA (Date
Mechanism not in
Gear)
Useful torque second – typical
6 μNm
Useful torque minute – typical
300 μNm
Useful torque center stop second – typical
7 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: 30.10.2018
www.ronda.ch
Page: 2
Summary of Contents for Mastertech 8000
Page 5: ......