Hermes Caliber H1837

Hermes Caliber H1837

Hermes Caliber H1837

Brand Hermès
Caliber Number H 1837, H1837
In-House?
No
Manufacturer
Vaucher Manufacture Fleurier S.A.
Movement Type Automatic, self-winding mechanical
Chronofiable?
Yes
Lignes 11.5”’
Diameter
26.6mm
Height
3.7mm
Jewels
28
Total Parts
193
Beat Rate
28,800 vph, (4 Hz)
Lift Angle
Unconfirmed
Power Reserve
50 hours
Barrel Count
2
Rotor Style
Ball-bearing
Hand-Windable?
Yes
Anti-Shock Device
Incabloc
Balance Spring
Atokalp
Hand Count 3
Functions Central hours; central minutes; central sweeping seconds; date at 4:30
Hacking Seconds?
Yes
Country of Manufacture Switzerland, Swiss made
Known Models
Hermès H08 (Add your watch to the comments below…)

The Hermes caliber H1837 is a 28 jewels Swiss made automatic movement found in the Hermes H08 line of watches. The H1837 is manufacturered for Hermes by Vaucher Manufacture Fleurier. It has a frequency of 28,800 beats per hour with a double barrel design allowing for a 50 hours of power reserve.

The H1837 was created to be a sort of modular workhorse movement for the brand. In other words, future Hermes movements based on the H1837 may feature additional bolt-on complication modules – perhaps a chronograph or moonphase module, we shall see!

Hermes H08 Caliber H1837

The meaning behind the caliber number:

The H in the caliber number stands for Hermès and 1837 represents the year that the company was founded.

Is the Hermes H1837 an In-House Movement?

Such as with many of the newer so-called in-house movements, it depends on whose house…

Was the movement 100% designed and produced in Hermes factories? No.

Was the movement designed and made in Vaucher factories? Yes.

Are Hermes and Vaucher both owned by Hermes? Yes.

Does that make it an “in-house” movement? Some other watch publications read this as “in-house”, Caliber Corner does not.

Even Hermes refers to the H1837 as a “manufacture” movement and not “in-house”. That is because it was manufactured for Hermes by Vaucher.

But the other watch publications would beg to differ… one even states that it is a Hermes in-house movement, but also that it was designed exclusively by Vaucher. It sounds more like a Vaucher in-house movement.

Otherwise, what’s the difference between a Vaucher-made movement and an ETA-made movement. Ah, the blurry lines of the watch industry – and watch media they sleep with.

Recommended Service Intervals:

Hermes officially states that their timepieces should be serviced every 3 years:

“As with all precision instruments, the movement of your Hermès timepiece must be regularly inspected and maintained in order for it to perform at its optimum level. Mechanical models should be serviced every three (3) years and quartz models should be serviced every five (5) years.” –Source

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