Pts Resources Caliber Jhls15

PTS Resources Caliber JHLS 15

Pts Resources Caliber Jhls15

ManufacturerPTS Resources
Caliber NumberJHLS 15, JHLS15
Movement TypeAutomatic, self-winding mechanical
Diameter
34.6mm
Height
7mm
Jewel Count
45
Beat Rate / Frequency
21,600 bph / 3 Hz
Accuracy Rating
– 40 ~ +40 seconds/day (according to Ingersoll)
Lift Angle
Unconfirmed
Power Reserve
~36 hours
Hand-Windable?
Yes
Anti-Shock Device
Diashock or Incabloc style (both found)
Hand Count4
FunctionsCentral hours; central minutes; central sweeping seconds; pointer date subdial at 12:00; moonphase indicator at 12:00
Hacking Seconds?
No
Country of ManufactureMade in China
Known Models
Ingersoll The Chord (Ref: I07203, I07202), Invicta Reserve Man of War (Ref: 36016, 39573, 39574, 39575, 39576, 39577, 39578, 39580, 39581) (Add your watch to the comments below…)

The PTS Resources caliber JHLS-15 (JLHS15) is a double barrel automatic movement with dual balance wheels. The balance wheels are exposed to look like a tourbillon movement – or “Imitate Dual Tourbillon” as PTS Resources calls it.

PTS Resources has officially spelled this caliber as JHLS 15 and JHLS15 without a space. The version with a space or dash seems more common.

While the original introduction and production timeline of this movement is unconfirmed, we do know that this caliber was in production since at least 2017, and available throughout 2020.

The JHLS-15 is the brand’s Mechanical Series line of movements which they describe as:

“Extreme craftsmanship of watch movement”

How to set the time/date:

The JHLS15 only has two crown positions: neutral or against the case (position 0) and pulled out one click to time-setting mode (position 1).

To set the time, pull the crown out one click and adjust the hands accordingly.

To set the date, look for the pusher on the side of the case near the 2:00 area. Press the button with your tool to advance the date. It is generally advisable not to attempt changing the date while the hands are between the hours of 8:00PM and 2:00AM.

To set the moonphase indicator, there is a pusher on the side of the case near 10:00. Press the button with your tool to advance the phase of the moon.

Pts Resources Caliber Jhls15 Moonphase Ingersoll

Similar Calibers:

There are similar calibres in the JHLS series that feature the same double balance at 6:00, but with different configurations elsewhere on the dial.

  • JHLS-02 – No complication at 12:00
  • JHLS-32 – Power reserve indicator at 12:00
  • JHLS-33 – Offset hours and minutes at 12:00 instead of in the center

Examples of watches with this movement:

Additional Resources:

Seagull Caliber St19

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