PS Horology, founded in 2022 by master watchmaker Peter Speake, debuts its inaugural timepiece, the Tsuba Blue. This limited-edition watch combines vintage-inspired design with cutting-edge materials and manufacturing techniques. Featuring a Swiss-made micro-rotor automatic movement and a design influenced by Japanese artistry, the Tsuba Blue sets a high standard for independent watchmaking. With only 99 pieces available to collectors, this timepiece reflects PS Horology’s meticulous attention to detail and deep appreciation for craftsmanship.
Design and Craftsmanship
The Tsuba Blue’s design draws on the aesthetics of early vintage wristwatches, enriched by modern innovations. Its 38.3mm stainless steel case, crafted in Le Locle, Switzerland, features a slim profile at just 8.91mm thick. Sapphire crystals on both the front and back offer durability and clarity, while a water resistance rating of 3 ATM ensures reliability in daily use.
The dial’s centerpiece is made of sapphire, creating visual depth, while the surrounding frame features anodized metal for a refined finish. These materials, combined with precise printing techniques, result in a unique interplay of textures and transparency.
The integrated bracelet, paired with a butterfly deployment buckle, provides both comfort and a seamless aesthetic, reinforcing the watch’s blend of form and function.
Technical Mastery: Movement and Specifications
At the heart of the Tsuba Blue lies the Vaucher Manufacture calibre 5401, a micro-rotor automatic movement renowned for its slim construction and precision. Key specifications include:
- Thickness: 2.60mm
- Diameter: 30.00mm (13 ¼ lignes)
- Components: 176
- Jewels: 29 synthetic
- Power Reserve: 48 hours
- Balance Frequency: 3 Hz (21,600 vibrations per hour)
- Micro-Rotor: Custom tungsten design supported by a ceramic ball race
The movement’s free-sprung balance wheel enhances stability, while the micro-rotor enables the Tsuba Blue’s ultra-thin profile without compromising on power or accuracy.
Inspiration Behind the Tsuba Case
The Tsuba Blue’s case takes inspiration from the tsuba, a guard on Japanese samurai swords. During the Edo Period (1603–1868), tsubas evolved from functional handguards into highly decorative pieces, often passed down through generations. This rich heritage is reflected in the watch’s hybrid quince and octagonal shape, symbolizing prosperity and balance.
The case’s intricate design required a five-stage finishing process, combining brushed and polished surfaces to highlight its scalloped contours. Each step was carefully executed to preserve the integrity of the polished areas during graining, showcasing the complexity of its construction.
The Visionaries Behind the Tsuba Blue
The development of the Tsuba Blue began in 2019, led by creative director Darren Jones and executed by Peter Speake, a watchmaker with over 35 years of industry experience. Speake’s journey began at Hackney College in London and continued at WOSTEP in Neuchâtel, Switzerland. His career spans roles with renowned brands, including Renaud & Papi, MB&F, and Frederique Constant.
After co-founding and building the Speake-Marin brand, Speake shifted to an educational platform before launching PS Horology in 2022. The Tsuba Blue represents the culmination of his experience, blending traditional craftsmanship with modern innovation.
Availability and Pricing
The Tsuba Blue is limited to 100 pieces, with 99 available for collectors. Priced at CHF 19,500 (excluding tax and shipping), reservations require a 30% deposit. Deliveries are scheduled for August 2025.
The watch will be available through:
- Switzerland: PS Horology
- Vietnam: Miluxe
- United States: Martin Pulli
Conclusion
The Tsuba Blue marks a confident debut for PS Horology, showcasing the brand’s ability to merge artistry, technical innovation, and cultural heritage. Collectors and enthusiasts looking to own this unique timepiece can learn more by visiting PS Horology’s official website.
