The CHRONOMASTER Sport Skeleton combines a 41mm rose gold case with a black ceramic bezel and a black rubber strap. Its gradient sapphire dial features the brand’s signature tricolour overlapping counters. It reveals the skeletonized self-winding El Primero 3600 SK calibre, a high-frequency chronograph movement with 1/10th of a second chronograph function and a 60-hour power reserve.

Movement
Movement: El Primero
Components: 311
Frequency: 36,000 VpH (5 Hz)
Power reserve: approx. 60 hours

Functions
Hours and minutes in the centre
Small seconds at 9 o'clock
1/10th of a second Chronograph:
- Central chronograph hand that makes one turn in 10 seconds
- 60-minute counter at 6 o'clock
- 60-second counter at 3 o'clock

Case
Material: 18-ct Rose gold with Black ceramic bezel
Diameter: 41.00
Water resistance: 10 ATM
Dial: Tinted sapphire with three different-coloured counters

Reference
18.3130.3600/01.R951