Baume & Mercier Riviera 10624 AUTOMATIC WATCH, CHRONOGRAPH - 43MM Equipped with Valjoux automatic movement, this Riviera has a black sun satin-finished dial and an integrated steel bracelet.This timepiece with assertive characters fits perfectly with Maisons' chronographs tradition. Features Automatic, self-winding watch Power reserve: 48 hour(s) Water resistance: 10 ATM (approx. 100 m) DAY-DATE, CHRONOGRAPH Sapphire crystal case back Movement Swiss Made Valjoux 7750 Energy Automatic, self-winding Frequency 28800.0vph/4.0hz Number of Rubies 25 Case Thickness 14.1mm Material And Finishes Steel, Polished/satin-finished Bezel Non-rotating bezel Case Back Sapphire crystal case back, With screw Dial Colours / Finishes Black, Sun satin-finished Numerals Roman numerals Hands Rhodium-plated, Dauphine Strap Material Steel, Polished/satin-finished Clasp Triple folding clasp with security push-pieces, Steel, Polished