MODEL NUMBER : 116509 Blue
MODEL CASE :
Oyster, 40 mm, white gold
OYSTER ARCHITECTURE :
Monobloc middle case, screw-down case back and winding crown
DIAMETER : 40 mm
MATERIAL : 18 ct white gold
BEZEL : Fixed, with engraved tachymetric scale, in 18 ct white gold
WINDING CROWN : Screw-down, Triplock triple waterproofness system
CRYSTAL : Scratch-resistant sapphire
WATER-RESISTANCE : Waterproof to 100 metres / 330 feet
MOVEMENT : Perpetual, mechanical chronograph, self-winding
CALIBRE : 4130, Manufacture
DIAL : Blue
DETAILS : Highly legible Chromalight display with long-lasting blue luminescence
CERTIFICATION : Superlative Chronometer (COSC + certification after casing)