Pure domed sapphire crystal

Even the mechanism for hand setting and winding is entirely exposed

replaceable oscillating mass bearing

The glass and the cyclops bezel are made from high-resistance pure sapphire

LAMBERTI-OROLOGIAI Mod. 50508Z - CHRONODROMO - OTTIMO MECCANICO Pure domed sapphire crystalThe CHRONODROMO model 50508 is a mechanical manual winding chronograph with a stainless steel case of compact dimensions: 41 mm (43 mm with crown) x 50 mm x 13 mm. The movement used is the excellent SEA GULL ST 19. The Seagull ST19 Cal. LO1B is a manual winding movement with "direct" chronograph functions controlled by the COLUMN WHEEL. The COLUMN WHEEL is the sophisticated control center that enables the start and stop functions of the chronograph.