28
Master Compressor Diving, divers’ watches meeting
the NIHS 92-11 (ISO 6425) standards
Master Compressor Diving line watches that bear the title “diving watches”
satisfy the requirements of the Swiss Watchmaking Industry Standard (NIHS)
92-11, reproducing the European standard ISO 6425.
Warning
As a precaution, we draw your attention to the following two recommendations:
- You must not adjust the crowns in water,
- You must not use Master Compressor Diving watches for deep dives (div-
ing with a gas mixture, with the diver spending alternating periods between
the water and a pressurised chamber), or dives to a depth greater than that
indicated.
Technical specifi cations
- Automatic movement, Jaeger-LeCoultre Calibre 757.
- 28,800
vibrations/hour.
- Power reserve: approximately 65 hours.
- Crown with compression key.
- Water resistance from 3 to 10 bar, according to the materials.
Movement
Jaeger-LeCoultre Calibre 757.
Use
Starting the watch
Crown A