The CHRONOMASTER Sport Skeleton is crafted in a 41mm stainless steel case with a scratch-resistant black ceramic bezel. Its gradient sapphire dial features the brand’s signature 3-6-9 tricolour overlapping counters. It reveals the openworked architecture of the El Primero 3600 SK, an automatic high-frequency chronograph movement with 1/10th of a second chronograph function and a power reserve of 60 hours. Delivered with a steel bracelet with micro-adjustable folding clasp and an additional black rubber strap.

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: Stainless steel with black ceramic bezel
Diameter: 41.00
Water resistance: 10 ATM
Dial: Tinted sapphire with three different-coloured counters

Reference
03.3130.3600/01.M3130