The UR-103 Technical Details

Dial Side
The time on the 103 is indicated by the orbiting hour satellites as they pass the arc of the minutes. The slanting sides of the hour satellites ensure an unencumbered view of the time without turning the wrist - even while driving- while bold SuperLumiNova provides excellent visibility by both day and night.
The innovative rotating satellite complication is the heart and soul of the 103 series of watches. The orbital cross carries the four hour-satellites and an internal Geneva cross governs each of these satellites. These Geneva crosses offer very low-frictional properties but must be manufactured to extremely precise tolerances.
Each of the satellites features three hour numbers. As a satellite approaches the crown, its Geneva cross engages a pin which rotates the disk 120° so that the new hour takes its position.
High-tech grade 2 titanium is used extensively throughout the satellite complication including in the construction of the orbital cross and the Geneva crosses. The strength and lightness offered by titanium provides lower inertia and improves the synchronicity of the movement. The hour satellites are crafted from aluminium.
Integrated lugs holding the strap ensure that the sleek case fits comfortably on a wide variety of wrist shapes and sizes.

Control Board
The Control Board of the 103 features the following indications and functions:
The Chrono Meter with its dual 15 minute and seconds dial for maximum precision when setting of time.
The 43 hour Power Reserve indicator.
A Fine Tuning screw which allows the user the possibility of adjusting the watch's timing +/- 30 seconds per day.

 

Technical Specifications

Model: URWERK 103.

Case: 103 available in White gold or Red gold, 103.05 limited edition in platinium, Black limited edition in black PE-CVD coated platinium.

Movement: Caliber 3.03, manual wind, 43-hour power reserve, 21,600bph/3Hz. Unique triple base plate in ARCAP P40 black PVD coated. Hour satellites and orbital cross in grade 2 titanium.

Control Board : Grade 5 titanium, power reserve indicator, 15 minute and seconds dials for precise Time setting, user adjustable fine-tuning screw.

Case Dimensions : 50mm (including lugs) x 36mm x 13.5mm.