Hamilton

Intra-Matic Auto Chrono

Reference Number :

H38429710

Series : American Classic

Retail: $2,245

(As of: 07/2025)

This watch is not for sale, this page is just for reference purposes only. If you would like to purchase this watch, please contact Hamilton. If you are interested in selling this watch to us, you can contact us here.

Quick TakeThere is a certain honesty to a hand-wound chronograph that you just do not get from an automatic. This Intra-Matic is a pure, tactile machine. Waking up and giving the crown a few turns isn't a chore; it is a morning ritual, a mechanical handshake that connects you to the 60 hours of power humming within the H-51 movement. On the wrist, its 40mm case sits perfectly, a sweet spot of vintage proportion and modern presence. The panda dial isn't just a design choice; it is a direct line to the golden era of motorsport, begging you to measure something, anything, with a satisfying click of the pusher. The tachymeter scale might not calculate your land speed record today, but it’s a constant reminder of an analog past and the inherent capability packed into this steel and sapphire companion. It’s more than a watch; it is a time machine for the wrist, powered by you.

DescriptionThe Hamilton American Classic Intra-Matic Chronograph H, reference H38429710, is constructed from stainless steel, featuring a case diameter of 40mm and a total thickness of 14.35mm. Its architecture provides a water resistance rating of 10 bar, equivalent to 100 meters or 145 psi, ensuring durability for everyday exposure to moisture. The watch face is protected by a scratch-resistant sapphire crystal, which has been treated with an anti-reflection coating to maximize legibility in various lighting conditions. The white dial is contrasted by two black subdials and features indices and hands coated with Super-LumiNova for clear visibility in low light. A functional tachymeter scale is printed along the outer circumference of the dial. The case incorporates a 20mm lug width for strap integration.

Powering the timepiece is the Caliber H-51, a hand-wound mechanical chronograph movement. This caliber delivers an extended power reserve of approximately 60 hours when fully wound. The movement's design facilitates precise timekeeping alongside its primary chronograph and tachymeter functions, which are operated via the pushers located on the side of the case. The watch is secured to the wrist with a leather strap (strap reference H6003841151) that tapers to an 18mm stainless steel pin buckle, providing a classic and secure fastening mechanism. As a model from a past collection, its engineering represents a specific period in Hamilton's design evolution, blending traditional mechanical principles with contemporary material standards.

GenderMen

SignaturesHamilton

Country of OriginSwitzerland

Case Size40 mm

MovementAutomatic

CaliberH-51

FunctionsChronograph, Hours, Minutes, Seconds, Date

Power Reserve60 Hours

Case MaterialsStainless Steel

Bezel MaterialsStainless Steel

Lug MaterialsStainless Steel

CrownScrew Down