Hamilton - H38716731

Intra-Matic 68 Auto Chrono Stainless Steel / Black / Strap

Brand: Hamilton
Family: American Classic
Reference: H38716731
Name: Intra-Matic 68 Auto Chrono Stainless Steel / Black / Strap
Produced: 2017
Limited: Yes, 1968 units


Material: Stainless Steel
Glass: Sapphire
Back: Open
Shape: Round
Diameter: 42.00 mm
Lug Width: 22.00 mm
W/R: 100.00 m


Color: Black
Indexes: Stick / Dot
Hands: Stick

Price in euro


The Hamilton Intra-Matic 68 Autochrono was introduced slightly prior to BaselWorld 2017. Taking cues from a number of late 1960's chronographs -most notably the Chrono-Matic- , it features a classical round case (42mm), a pair of pump pushers, and a reverse panda dial. It is powered by the self-winding caliber H-31.


Hamilton caliber H-31 The Hamilton H-31 is based on the Valjoux 7753. The H-21 is similar though based on the 7750. These movements most notable change compared to the standard version is the 60 hour power reserve.

The following elements have been modified:

- The entire kinematic chain has been refined, from the barrel to the escapement
- The escapement regulator has been suppressed, facilitating optimal reliability and precision
- The main spring has been improved to increase a typical power reserve of 60 hours.
- The mono-block rotor is distinctively skeletonized with an “H” shape and aviation-inspired cut-outs, a signature of individualization.

Base: ETA 7753
Diameter:30.00 mm
Reserve:60 h
Frequency:28800 bph
Time:Hours, Minutes, Small Seconds

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