Breguet No. 2612
Mercer No. 685

The chromium plated case has thick beveled glasses, a hinged front door and shaped feet. The original display case has an ebony base with a drawer to the side that holds the wind and set keys and a glazed bronze cover

The silvered and engraved dial has black Roman numerals for the hours, a subsidiary seconds chapter with Arabic numbers for the ten second marks, an up/down indicator marked ‘8 – 0’ and ‘Bas – Haut’, a start/stop lever marked ‘A M’, finely finished steel hands and is signed by the maker, ‘Breguet, No 2612

The eight-day time only movement has thick shaped screwed posts, thick damascened plates, a chain fusee and is stamped by the movement maker, ‘685’. The large horizontally mounted platform has a helical hairspring, a bimetallic two arm balance wheel with middle temperature error compensation and a spring detent escapement.