Hamilton American Classic Intra-Matic Auto Chrono 40mm

The Hamilton American Classic Intra-Matic Auto Chrono 40mm is inspired by the brand’s 1968 racing heritage. This modern interpretation of a vintage icon features an all-black 40mm stainless steel case with black PVD coating, matching dial, and perforated calf leather strap. Powered by the H-31 automatic chronograph movement with a 60-hour power reserve and Nivachron™ balance spring, it delivers precision and performance. With a screw-down crown, sapphire crystal, and 100m water resistance, it combines retro style with contemporary reliability.

Case Size: 40mm

Movement: Automatic Chronograph

Power Reserve: 60 hours

Water Resistance: 10 bar (100 m)

Crystal: Sapphire with anti-reflection

Dial Color: Black

Strap Color: Black

Strap Material: Calf Leather (Mineral-Tanned)

Buckle Type: Pin Buckle, 18mm

Case Material: Stainless Steel with Black PVD Coating

Nivachron™ Balance Spring: Yes

Super-LumiNova®: Yes

Made In: Switzerland

Warranty: 2 Years International