Thin is the ultimate luxury in watchmaking, and the Hamilton Jazzmaster Thinline Auto H38525111 delivers it in stainless steel. At just 8.45mm thick, this 40mm automatic slips under a shirt cuff with ease and wears with the understated grace of a classic dress watch.

Achieving that profile takes a special movement. Hamilton chose the Swiss caliber 2892-A2, a famously slim, high-quality automatic long favored for elegant watches, with a 42-hour power reserve. The white dial is kept minimal so the slender case can do the talking, and a sapphire crystal protects the face.

The stainless steel bracelet fastens with a butterfly buckle and connects with Hamilton's EasyClick system, which lets you swap to a leather strap in seconds without tools. Water resistance is 50 meters, ample for daily wear. It suits the minimalist who wants one refined automatic for the office, formal events and everything in between.

Hamilton Jazzmaster Thinline Auto 40mm White, Ref. H38525111

• Case: 40mm stainless steel, only 8.45mm thick
• Dial: white, minimalist layout
• Movement: Swiss automatic caliber 2892-A2
• Power reserve: 42 hours
• Crystal: sapphire
• Water resistance: 50 m (5 bar)
• Bracelet: steel with butterfly buckle and EasyClick quick change, 20mm lugs

Slim, quiet and impeccably proportioned: a true thinline dress automatic.