Breitling Chronomat B31 Automatic 40

Breitling Chronomat B31 Automatic 40, reference AB3114101L1A1, is a dive watch in a 40 mm steel case. The case measures 10.99 mm thick and carries a screw-locked crown. A sapphire crystal covers the green dial, and the sapphire display back reveals the movement beneath. Inside sits the self-winding B31 calibre, a chronometer-certified manufacture movement with a power reserve of around 78 hours. The dial shows a date aperture and a central seconds hand. A steel bracelet completes the watch. The screw-locked crown helps hold the case to its 200 metre water resistance rating.