Ronda mecano R150 User manual
RONDA mecano 100
The new mechanical movement
Caliber R150 – 11½'''
Product Specifications
Mechanical movement
Line mecano
Caliber R150
Size 11½'''
Version Swiss Made 25 Jewels
Hand fitting height 1
Functions
– Date
– 3 hands
Features
– Automatic winding with ball bearing
Date: 18.07.2017 www.ronda.ch Page: 1
RONDA mecano
Caliber R150 – 11½'''
Escapement
Swiss lever escapement
Incabloc anti-shock system
Index system for fine adjustment
Regulation
Average rate 12 s/d ±12 s/d at rate CH, 6H
Maximum variance in all positions 30 s/d
Isochronism over 24 h ±20 s/d
Winding mechanism
Winding mechanism Automatic
Main spring Nivaflex
Date: 18.07.2017 www.ronda.ch Page: 2
RONDA mecano
Caliber R150 – 11½'''
Technical Specifications
Diameter Total 26.00 mm
Case fitting 25.60 mm
Movement height 4.40 mm
Movement rest 1.20 mm
Height over stem 1.80 mm
Length of stem travel 0.80 mm
Force to push the stem for screwed crown 10/15 N
Stem thread 0.90 mm
Stem max Ø 1.20 mm
Frequency: vibrations per hour 28'800 (4 Hz) Hz
Power reserve 40 h
Operating temperature 0 - 50 °C
Resistance to magnetic fields 18.8 Oe
Resistance against shock NIHS 91-10
Casing information (PDF)
Movement holders for T2 (PDF)
User's manual
User's manual (PDF)
Date: 18.07.2017 www.ronda.ch Page: 3
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Document: Version: 1.0 Creator: 5166 Validator: 5160 April 2017
General Instructions
Removing the setting stem can only
be effected in Pos. I.
The use of supporting screws is es-
sential when mounting the hands.
Permitted hand setting strengths:
Hr / min. hands: <40N
Second hand: <30N
During quick date correction (set-
ting stem in position II), a date swit-
ching speed of 5 d/s must not be
exceeded.
The following lube points have to
be added for the assembling of new
winding stems:
T2-Instructions
225e
R 150
Fitting dial and hands
• Crown in position III
• Wind hour hand forwards, until date changes
• Remove working hand
• Set friction spring 3315.003 on the hour wheel
• Fit dial
• Point all hands towards 12o‘clock
• Set time
• Crown in position II
• Set date
• Crown in position I
Date switching duration: ~1½h
Nbr. of crown windings in pos. I to wind it up fully: <30Turns
Movement holder
Setting hands
H R150.1A
Movement holder
Removing setting stem
H R150.1T
HP 1300
Cal. R150
Crown A
Pos. I Position of rest (watch running)
Winding while stopped
The maximum power reserve can be restored by turning
the crown clockwise around 30 times.
Pos. II Quick-change correction for date
– Pull the crown out to position II (watch still running).
– Turn the crown anticlockwise until the required date
appears.
– Push the crown back into position I.
Pos. III Setting the time
– Pull the crown out to position III (watch stopped).
– Turn the crown, until the current time is displayed
(remember the 24-hour cycle).
– Push the crown back into position I.
6/2016
User’s Manual English
Movement Caliber
– R150
RONDA mecano
You have decided to buy a watch, which was assembled
by a watchmaker using a Ronda movement. Please note
that no watches are produced or distributed under the
Ronda brand.
In case of repairs, guarantee claims and questions
concerning the functioning of a watch, purchasers and
consumers should contact their retailer or the watch
manufacturer, for which the relevant information can
be found in the sales or guarantee documentation pro-
vided with the watch.
III III
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