Hamilton Men Chronograph Automatic Watch Jazzmaster Performer Auto Chrono Swiss Made

H-THIRTY-ONE AUTOMATIC CHRONOGRAPH: Hamilton's H-31 with Nivachron antimagnetic balance spring delivers 60-hour power reserve at 28,800 bph — visible through the exhibition caseback THREE-REGISTER RACING CHRONOGRAPH: 30-minute counter at 3h, 12-hour counter at 6h, and running seconds at 12h; tachymeter bezel and luminous dauphine handset for full racing utility PVD BLACK CASE WITH ANTHRACITE DIAL: Black PVD treatment on the 42mm stainless steel case pairs with a dark anthracite dial for a sleek, assertive sport-chic aesthetic on the wrist SAPPHIRE CRYSTAL AND BLACK LEATHER STRAP: Scratch-resistant sapphire crystal and black calf leather strap with deployment clasp complete a refined chronograph for sport and evening wear SWISS MADE JAZZMASTER COLLECTION: 10-bar water resistance, date at 4:30, and Hamilton Swiss Made quality — an ideal gift for watch enthusiasts who demand both performance and design