Case “Big Bang” 44.5 mm diameter in satin-finished tungstenBezel Satin-finished tungstenCrystal Sapphire crystal with anti-reflection interior treatmentBezel lug Black composite resinLateral inserts Black composite resinBack Open, in tungstenCrown Satin-finished steel with black rubber insertPush-pieces Satin-finished steel, rectangular with black rubber insertScrews TitaniumWater-resistance 100 m or 10 ATMDial Black microblasted skeleton-like cut-out with satin-finished rutheniumcolourappliqué index markersHands Sand-blasted, ruthenium, chronograph hand with H-shaped counterpoiseMovement Mechanical chronograph with automatic windingHublot HUB44 SQ calibreNumber ofcomponents 252Rubies 27Bridges Microblasted, polished with chamfered edgesScrews Black PVDOscillating weight Tungsten carbide with dimpled surface, coated with black PVDBottom plate Sand-blasted rhodium platedBarrel With reinforced springEscapement Glucydur balance springPower reserve 42 hoursStrap Adjustable smooth black rubber with Hublot logoClasp Black PVD steel