RONDA xtratech

4120.B
4.4 mm
12½''', 28.00 mm
Multifunction
Alarm
Big date

Product Informations

Product Specifications

Type Analog quartz movement
Line xtratech
Caliber 4120.B
Size 12½'''
Version Swiss Made 7 jewels / gold plated
Version Swiss Parts 3 jewels / nickel plated
Standard battery life 50 months
Standard hand fitting height 2

Functions

Multifunction
Alarm
Big date
Small second
2 hands

Features

Repairable metal watch movement

Very easy handling by one pusher

Big date with quick change

Power saving mechanism with pulled out stem: Reduction of consumption approximately 70%

Specifications

Technical Specifications

Diameter Total 28.60 mm
Case fitting 28.00 mm
Movement height 4.40 mm
Height over standard battery 4.40 mm
Movement rest 0.60 mm
Height over stem 1.90 mm
Length of stem travel 0.90 mm
Stem thread 0.90 mm
Useful torque second – typical 6 μNm
Useful torque minute – typical 300 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

Battery Specifications

Standard battery No. 395
Standard battery life 50 months
Battery voltage 1.5 V
Current consumption – typical 1.42 μA
(Date Mechanism not in Gear)
Current consumption – maximum 1.65 μA
(Date Mechanism not in Gear)

Technical documents

Watch production

Drawing Casing ring
Drawing Dial
Drawing Hand fitting
Drawing Stem
Casing information
Piezo element

User's manual

User's manual PDF with folding marks

Watch repairs

Technical instruction
TI_4120.Bas of code N
TI_4120.Bup to code M

Movement holders

Movement holders

Movement holder for hand setting
H 5XXX.1A
Insert for alarm signal check
H 5XXX.1P
Movement holder for stem removal
H 5XXX.1T

Various info

Various info

Product Symbol

4120.B

Big date

Big date

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