https://ancre-demo.vercel.app/ 2026-08-17 monthly 1.0 https://ancre-demo.vercel.app/media/og-cover.jpg Calibre A—21 Brass going train, blued screws and a ruby-jewelled balance, drawn on a graphite plate. https://ancre-demo.vercel.app/media/tourbillon.jpg The cage — tourbillon, one turn per minute https://ancre-demo.vercel.app/media/setting.jpg Setting a wheel — brass tweezers, never steel https://ancre-demo.vercel.app/media/jewels.jpg Twenty-one jewels — synthetic ruby, pressed in https://ancre-demo.vercel.app/media/bench.jpg Disassembled — 137 parts, in order