i
Read the case
Start with the architecture. The Royal Oak's octagonal bezel, the eight hexagonal white-gold screws, the chamfered angles polished by hand — every facet is a record of a decision taken at Le Brassus rather than at a price point.
ii
Study the dial
The Grande Tapisserie pattern is engraved on a pantograph machine, then galvanically coloured. The applied hour markers and the AP signature at six o'clock are placed by hand. Read the dial the way you would read a typeface — closely, twice.
iii
Listen to the calibre
Turn the watch over. A 4302 calibre, a 2950 selfwinding flying tourbillon, a 2972 minute repeater — each tells a different story about the manufacture. Through the sapphire caseback, the geometry of bridges and the polish of bevels is the truer signature.