Sartory Billard SB04-E Pietersite Platinum | LE50 |

The Sartory Billard SB04-E Pietersite Platinum is a masterclass in artisanal craftsmanship and luxury watchmaking, uniting rare natural beauty with high-performance horology. At the heart of this 39.5mm timepiece is a one-of-a-kind Pietersite dial, known for its swirling storm-like patterns in shades of deep blue, bronze, and gold. Each dial is entirely unique, showcasing the unpredictable elegance of nature’s raw materials. Framed by a platinum-coated outer ring with a refined sunburst finish, the dial’s dynamic texture is further emphasized by a sapphire disk with diamond-cut metal indexes. This disk—just 0.3mm thick—is anti-reflective on both sides, revealing a luminous Y-shaped design in Super-LumiNova® BGW9 inspired by the Eiffel Tower. A diamond-polished metal ring separates the sapphire and Pietersite layers, creating a dimensional play of light and detail that elevates the entire composition.

Ref. SB04E1PIE1

Powering the SB04-E is the La Joux-Perret G101 automatic movement, a Swiss-made caliber known for its reliability and precision. Featuring a tungsten rotor, 24 jewels, and a robust 68-hour power reserve, the G101 beats at 4Hz and is housed within a 316L stainless steel case measuring 10.3mm thick and 46mm lug-to-lug. The case is water-resistant to 100 meters and includes a screw-down, lumed crown for added durability. With a curved 20mm lug design, the SB04-E is offered with a curated selection of straps in various materials and colors, allowing each owner to tailor their watch to their own aesthetic. Altogether, the SB04-E Pietersite Platinum is a rare and refined collector’s piece that blends nature’s artistry with the precision of contemporary independent watchmaking.


TECHNICAL SPECIFICATIONS
Calibre
- La Joux-Perret G101
- Tungsten rotor winding mechanism
- 26 mm diameter
- 4.45 height
Functions
Hours, minutes, seconds
Power reserve
68 hours
Jewels
24
Frequency
4 Hz
Case
316L Steel
Measurements
- 39 mm diameter
- 10.3 mm thickness
Water resistance
100 meters
Crown
- Screw-down and lumed
Dial
- Pietersite surrounded by a Fume Platinum coated outer ring
- Pad printed minute track and Y design in white Super-LumiNova BG79 lume (emits blue light
Diamond cut indexes and ring between the dial parts
Strap
- Available with a wide collection of straps in different colors and materials
- 20 mm curved
Limited edition
50 pieces


Oster Jewelers is an Authorized Lederer Watch Retail Partner