Hamilton American Classic Intra-matic Auto chrono

Inspired by its original racing roots in 1968, the Intra-Matic Auto Chrono welcomes a new interpretation of the iconic Intra-Matic design. A modern take on a vintage classic, the all-black 40mm PVD case, dial, perforated strap and a splash of vibrant yellow, add a contemporary edge to a historical model that harks back to the 70s.

Reference: H38446731
Caliber: H-31
Collection: American Classic
Movement: Automatic
Watch Function: Chronograph, Date, Tachymeter
Case size: 40mm
Thickness (mm): 14.45
Dial color: Black
Case material: Stainless steel
Coating: PVD black
Crystal: Sapphire
Lug width: 20mm
Power reserve: 60 hour
Status: Current collection
Water Resistance: 10 bar (100m)/145 psi (328ft)
Anti Reflection: Yes
Screw Down Crown: Yes
Nivachron: Yes
Super Luminova: Yes

Strap reference: H6000002121
Strap type: Calf leather
Buckle type: Pin buckle
Buckle width: 18mm
Easy Click: Yes H-31

The H-31 is a powerful automatic chronograph movement featuring an extended 60-hour power reserve, making it perfect for the demands of the sportiest of models. With an H pattern design on the oscillating bridge, there’s no mistaking who made this movement.