Trackmaster Black

Ref. 2TWTB.S03A
Limited edition of 100 pieces.

Functions
- Column wheel chronograph (seconds, 30 minutes and 12 hours counter). Tourbillon mechanism
- Hours, minutes, seconds
Calibre
- Calibre G1781, automatic bi-compax column wheel chronograph-tourbillon, 28'800 A/h (4Hz), Incabloc shock absorber
- Movement finished with perlages, stripes, manually chamfered and polished edges, column wheel with polished segments on base cog wheel with black low-friction coating, skeletonised black chromium rotor with 925 sterling silver ocillating weight
- 34 jewels
- Power reserve: 48 hours
- Tourbillon cage: 48 components, 0.485 grams. Off-centre construction at 11 o'clock. Complete see-through Tourbillon. Two patents. Double bridge - black PVD coated - construction
Case
- 47 mm steel with black PVD case
- Steel with black PVD right hand start / stop and reset pushers with "Clous de Paris" high grip pattern
- Steel with black PVD bezel with external ceramic rim
- Domed sapphire crystal, anti-reflective coating on both faces
- See-through sapphire crystal case back with name and limited edition serial number engraved
Water resistance
- 330 feet / 100 m
Dial
- Silver dial with black external rim with time-switch graduation, silver hours counter, silver snailed minutes counter with black rim
- White Super-LumiNova hands and numerals
Strap
- Integrated black tyre tread rubber or croco
- Ceramic folding buckle