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.
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Return
We offer free returns within 14 days from delivery. For more information, please visit “Delivery and Returns”.
Orders for straps and accessories are excluded from the right to cancel. They cannot therefore be returned. For more information, see "Conditions of sale".
Features
SELF-WINDING
Wrist movements cause the inner rotor to swing, transferring energy to the mainspring, and powering your timepiece.
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.
Sapphire Crystal
Synthetic sapphire crystal is a tough scratch-resistant material, only diamonds could leave a mark.
H-31 CALIBER
A powerful automatic chronograph movement featuring an extended 60-hour power reserve.
KHAKI NAVY
Inspired by marine pioneers and designed with ocean explorers in mind, Hamilton's Khaki Navy collection is guaranteed to make a splash in the style stakes.