Introducing Sartory Billard: Where Nature Meets Bespoke Watchmaking
Oster Jewelers proudly welcomes Sartory Billard to our curated collection of independent watchmakers—a brand that redefines haute horlogerie through a bold union of artisanal craftsmanship and avant-garde design. Founded in France, Sartory Billard has quickly become a standout in the world of bespoke luxury watches, celebrated for their visionary approach to customization and reverence for natural materials.
Sartory Billard began as a bold vision from Armand Billard, a self-taught watchmaker who traded his design agency for a workbench and a dream. With no formal training in horology, Armand dove headfirst into the world of watchmaking, blending his design expertise with an obsessive curiosity for mechanics and materiality.
Armand’s goal has always been to upend the conventions of traditional luxury watches by putting creative control into the hands of the collector. From this maverick mindset came Sartory Billard—a brand built on personalization, craftsmanship, and the belief that a watch should be as unique as the wrist it adorns.
Explore the SB04-E Collection
The SB04-E collection exemplifies this ethos with dials crafted from rare stones such as ruby, chrysocolla, and pietersite—each piece a singular expression of Earth’s artistry. Surrounding these organic masterpieces is a platinum-coated fume outer ring, framed by a meticulously engineered sapphire disk featuring diamond-cut indexes and Sartory Billard’s signature Eiffel Tower–inspired Y-shaped minute track.
Inside the SB04-E ticks the La Joux-Perret G101, a Swiss automatic movement prized for its precision, durability, and impressive 68-hour power reserve. This high-performance caliber beats at 4Hz and features a tungsten rotor and 24 jewels, delivering smooth, reliable timekeeping. Housed in a sleek 316L stainless steel case—measuring just 10.3mm thick with a 46mm lug-to-lug span and screwed-down crown—it’s built for both everyday wear and adventure.
The SB04-E’s screw-down crown is a perfect blend of functionality and fine detail, ensuring water resistance up to 100 meters while offering a true tactile experience. Measuring 7mm in diameter, it strikes the ideal balance between grip and comfort, designed to sit securely against the wrist. The crown showcases three distinct finishes: circular brushing on the outer teeth, a matte texture on the inner teeth, and additional circular brushing along the sides.
Adding a signature Sartory-Billard touch, the crown’s outer face is filled with BGW9 Super-LumiNova®, creating a soft glow in the dark. Set into this luminous surface is a polished metal logo, delivering a subtle yet refined detail that sets the SB04-E apart. The BGW9 Super-LumiNova® is carried over to the sleek, linear-brushed finished hour and minute hands for optimal nighttime visibility. This same luminous material also highlights the pad-printed minute track and odd-numbered markers, creating a cohesive glow that enhances both the functionality and signature aesthetic of the SB04-E.
True to Sartory-Billard’s attention to both beauty and comfort, the SB04-E features 20mm wide, drilled lugs specifically designed for curved straps. Oster Jewelers is proud to extend Sartory Billard’s partnership with Delugs, featuring their CTS rubber straps—crafted for a seamless fit, equipped with a sleek spring-loaded deployant clasp, and built for durability, water resistance, and easy maintenance. The SB04-E is not just a timepiece—it’s a wearable work of art, created for collectors who demand individuality, technical precision, and emotional connection in every watch they wear.
SB04-E Pietersite Platinum
Pietersite is often called the “Tempest Stone,” and for good reason—its mesmerizing patterns of deep blue, bronze, and gold seem to capture the raw, swirling power of a storm caught in motion. The ever-shifting texture of the stone gives each SB04-E dial a dynamic sense of movement, as if nature itself has been frozen in time and placed on your wrist. No two Pietersite dials are ever alike, meaning every SB04-E is a singular work of art, shaped by the untamed forces of the earth.
Easily recognized by its dramatic marbled patterns, raw Pietersite is carefully cut into thin slabs and expertly shaped into dials in Germany, just an hour from Sartory-Billard’s workshop. Every step of this meticulous process is traceable, guaranteeing that each dial is created under ethical, high-quality conditions—far removed from the mass production and questionable sourcing practices that often plague the industry.
SB04-E Ruby Platinum
The SB04-E Ruby Platinum Dial stands apart as a true testament to nature’s one-of-a-kind artistry. Ruby, a gemstone seldom seen in watchmaking due to its cost and the immense challenge of slicing it to an ultra-thin half-millimeter, takes center stage here. Each dial tells its own story—marked by natural imperfections, rich textures, and individual character—ensuring no two timepieces are ever alike.
Surrounding this vibrant Ruby heart is a platinum-plated outer ring with a refined sunburst finish and delicate gradient, adding a dynamic contrast that heightens the stone’s vivid depth and elevates the entire composition with a powerful sense of elegance.
SB04-E Chrysocolla Platinum
One look at the SB04-E’s Chrysocolla dial, and you’re transported to the heart of a hidden lagoon, where turquoise and emerald tones swirl together like currents in untouched waters. The natural veining of the stone creates a mesmerizing, almost dreamlike landscape—a vivid reminder of nature’s artistry captured forever in time.
With its organic patterns and tranquil hues, each Chrysocolla dial brings a piece of the earth’s serene beauty to your wrist, turning every glance into a moment of escape in a one-of-a-kind creation. The addition of a Delugs CTS (cut-to-size) rubber strap in white or grey harmoniously accents the depths of chrysocolla and platinum dial.
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