The American Classic Chronograph 40mm in hunter green brings a fresh twist to vintage racing aesthetics. A smoky finish adds depth to its bold colorway, while a perforated strap nods to classic motorsport design. Paired with a second versatile mesh bracelet delivered in a bundle packaging, this automatic chronograph combines Hamilton’s pioneering spirit with a look that’s ready for the fast lane.
- ReferenceH38429861
- CaliberH-51
- CollectionAmerican Classic
- MovementMechanical
- Watch FunctionChronograph, Tachymeter
- Case size40mm
- Thickness (mm)14.35
- Dial colorGreen
- Case materialStainless steel
- CrystalSapphire
- Lug width20mm
- Power reserve60 hour
- StatusCurrent collection
- Water Resistance10 bar (100m)
- Anti ReflectionYes
- NivachronYes
- Super LuminovaYes
- Strap referenceH6000002171
- Strap typeCalf leather
- Buckle typePin buckle
- Buckle width18mm
-
H-51
The H-51 is a mechanical chronograph movement that celebrates the fundamental principles of watchmaking. Featuring an extended 60-hour power reserve, this hand-wound caliber keeps and measures time with a combination of modern precision and vintage-inspired charm.

