- Reference H38446730
- Caliber H-31
- Collection American Classic
- Movement Automatic
- 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)
- Anti Reflection Yes
- Screw Down Crown Yes
- Nivachron Yes
- Super Luminova Yes
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- American Classic Intra-Matic Auto Chrono

New
American Classic Intra-Matic Auto Chrono
Automatic | 40mm | H38446730
HK$18,700.00
In stock








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 and perforated strap add a contemporary edge to a historical model that harks back to the 70s.
Discover our vintage inspired intra-matic watch collection.
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 and perforated strap add a contemporary edge to a historical model that harks back to the 70s.
Discover our vintage inspired intra-matic watch collection.
Specifications
Strap
- Strap reference H6000002111
- Strap type Calf leather
- Buckle type Pin buckle
- Buckle width 18_buckle
Movement
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.

Delivery & Return
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Delivery
We offer express delivery for all orders. Place your order before 11:30am today and get it delivered next working days!
To find out more information about our delivery, please visit “Delivery”. -
Return
We offer free returns within 14 days from delivery. For more information, please visit “Returns Policy”
Features
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SELF-WINDING
Wrist movements cause the inner rotor to swing, transferring energy to the mainspring, and powering your timepiece.
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STAINLESS STEEL CASE
A highly resistant alloy composed of steel and chromium. It can be worked to resemble a precious metal. It is nearly impervious to rust, tarnish, and corrosion.
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Sapphire Crystal
Synthetic sapphire crystal is a tough scratch-resistant material, only diamonds could leave a mark.
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NIVACHRON™ BALANCE SPRING
Nivachron™ is an alloy used to produce balance spring to resist magnetic fields and improve accuracy. It reduces the effects of magnets, temperature, and shocks.
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H-31 CALIBER
A powerful automatic chronograph movement featuring an extended 60-hour power reserve.
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WATER RESISTANCE
Your timepiece is resistant up to 10 bar (100m) / 145 psi (328 ft).
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INTRA-MATIC AUTO CHRONOA new generation of racing watches is here. Meet the Intra-Matic Auto Chrono.
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REVIVING A CLASSICThe Intra-Matic takes inspiration from the Chrono-matic, Hamilton’s first automatic chronograph.
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