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Caliber 503S10½'''
3 hands
Swiss made & Swiss parts
Symbol 503S
Backside movement 503S
Frontside movement 503S

Product Specifications
Analog quartz movement
Product linepowertech
Caliber503S
Movement size10½'''
VersionSwiss made
Swiss parts
1 jewel, nickel
1 jewel, nickel
Battery-life (theoretical)24 months
Standard hand fitting height1
Functions
- Option for second disc
- 3 hands
Features
- Metal movement, repairable
- Power saving mechanism with pullled out stem: Reduction of consumption approximately 70%
- Interchangeability: All versions 10½''' with same movement height 3.00 mm and stem height 1.50 mm
- Very powerful stepping motor
- Fix motor pulse
Technical Specifications
Overall dimensions23.90 mm
Case fitting23.30 mm
Movement height3.00 mm
Height over battery3.25 mm
Movement rest0.8 mm
Height over stem1.50 mm
Length of stem travel0.45 mm
Stem thread0.9 mm
BatteryNo. 371
Battery voltage1.5 V
Battery-life (theoretical)24 months
Current consumption - typical
(date mechanism not in gear)
2.40 μA
Current consumption - maximum
(date mechanism not in gear)
2.65 μA
Performance data
Useful torque second - typical
(date mechanism not in gear)
9 μNm
Useful torque minute - typical
(date mechanism not in gear)
450 μNm
Operating temperature0 - 50 °C
Instantenous rate (T=25°C)-10/ +20 sec/month
Resistance to magnetic fields18,8 Oe
Resistance to shockNIHS 91-10
Technical Documents
Datasheet PDF
Tools & accessories
Technical instruction PDF
Technical Drawings (hand fitting height, frame, dial)
ROHSCE