# Supernova > Supernova is a Swiss watch house founded in Lausanne. Supernova doesn't begin with a watch; it begins with a question. The SN 2140 is its first answer: a Swiss mechanical watch that quietly enables private everyday payments. ## Pages - [Home](https://supernova.watches/): Supernova SN 2140: a Swiss mechanical watch in Grade 5 titanium that quietly enables private everyday payments. Conceived in Lausanne, assembled in Le Locle. - [The SN 2140](https://supernova.watches/watch/): The SN 2140 in detail: cushion-shaped Grade 5 titanium case, ETA 2892 élaboré-grade movement, sapphire caseback and two interchangeable straps. - [Technology](https://supernova.watches/technology/): How the SN 2140 pays: a contactless antenna set invisibly into the sapphire crystal, for private peer-to-peer payments. No accounts, no personal data stored. - [Story](https://supernova.watches/story/): Supernova is a Swiss watch house founded in Lausanne. It begins with a question about the role a watch plays today. The SN 2140 is its first answer. - [Pre-order](https://supernova.watches/product/sn-2140/): Pre-order the Supernova SN 2140, a limited-edition Swiss mechanical watch in Grade 5 titanium with an ETA 2892 movement and two interchangeable straps. - [Journal](https://supernova.watches/journal/): News, press coverage and notes from Supernova, the Swiss watch house behind the SN 2140. Published only when there is something worth saying. - [Contact](https://supernova.watches/contact/): Contact Supernova about the SN 2140, orders, press or partnerships. Stellaire SA, a Swiss watch house based in Lausanne, Switzerland. - [Legal](https://supernova.watches/legal/): Terms of sale, privacy policy and legal information for Supernova and the SN 2140, operated by Stellaire SA, Lausanne, Switzerland. ## SN 2140 at a glance - Case: cushion shape, Grade 5 titanium, 36.5 x 40.7 mm, 9.6 mm thick, 43 g without strap, water resistant to 5 ATM; natural titanium or black PVD - Movement: Swiss ETA 2892, élaboré grade, automatic, 28,800 vph, 42-hour power reserve, visible through a sapphire caseback - Dial: circular-brushed, light gray or dark anthracite, Super-LumiNova hands and markers - Straps: leather and rubber supplied, 20 mm, quick-release - Payments: a contactless antenna integrated into the sapphire crystal, using the Bolt Card standard on the Bitcoin Lightning Network; no accounts, no personal data stored - Assembled in Le Locle, Switzerland. Warranty: 2 years. Estimated delivery: Q1 2027 ## Company - Stellaire SA, Lausanne, Switzerland. VAT CHE-490.697.380