Description Specifications Case: steel, brushed / polished, patinated, 5atm Case diameter: 42mm Sapphire crystal Dial: sterling silver 925/-, patinated, engraved Movement: manual winding, sw-07.1, patinated and engraved, Schaumburg 3/4 bridge patinated by hand, glass beads blasted, thermally colored, stone anchor escapement, yoke winding, 16½ lignes, Ø 36.6 mm, h 4.5 mm, 17 jewels, power reserve 46h Option 1: Glucydur screw balance and Nivarox-Breguet balance spring. Option 2: manual winding sw-08, chronometer Glucydur balance, chronometer anchor Bracelet: leather, pin buckle Church clock Limited Edition - 55 (church tower clock) Limited Edition 23/55 is limited to 55 pieces. The 925 sterling silver dial and movement of the church steeple clock are crafted in the style of Gothic windows from the 12th to 16th centuries. Each clock is individually numbered. The movement is our sw-07.1 with screw balance and custom made Schaumburg 3/4 platinum. Optionally we offer the caliber sw-08 with chronometer components. We do not use any varnish colors for this series. All patented colors are handmade by us by heating and patinating. The watch case will patina over time. No two models in this series are alike, each model is unique.