RONDA mecano

R150
4.4 mm
11½''', 25.60 mm
Date
3 hands

Product Informations

Product Specifications

Type Mechanical movement
Line mecano
Caliber R150
Size 11½'''
Version Swiss Made 25 jewels
Standard hand fitting height 1

Functions

Date
3 hands

Features

Bidirectional automatic winding with ball bearing

Repairable metal watch movement

Escapement

Swiss lever escapement
Incabloc anti-shock system
Angle lift of balance 51°
Index system for fine adjustment

Specifications Balance wheel

Stabilizing time 20 s
Measuring time 40 s

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

Specifications

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
Stem thread 0.90 mm
Stem max Ø 1.20 mm
Frequency: vibrations per hour 28'800 (4 Hz)
Power reserve 40 h
Operating temperature 0 - 50 °C
Resistance to magnetic fields 18.8 Oe
Resistance against shock NIHS 91-10

Movement holders

Movement holders

Movement holder for hand setting
H R150.1A
Movement holder for stem removal
H R150.1T

Various info

Various info

Product Symbol

R150

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