Omega Calibre 9900

Omega Caliber 9900

Omega Caliber 9900

Manufacturer Omega
Caliber Number 9900
Replaces Caliber
Movement Type
Automatic, self-winding mechanical
Jewels 54
Beats Per Hour
28,800 vph, 4Hz
Lift Angle
Unconfirmed (use Co-Axial compatible timing machine)
Power Reserve
60 hours
Shock Protection Nivashock
Balance Spring Material
Si14 Silicon
Yes (see below)
Chronograph System
Column Wheel
Yes (Omega Certified Master Chronometer spec)
Hand Count
Functions Central hours; central minutes; central chronograph seconds; running seconds subdial at 9:00; 60 minutes and 12 hour chronograph counter at 3:00; date at 6:00
Hacking Seconds? Yes
Rhodium plated finish with Geneva waves in arabesque
Country of Manufacture Switzerland, Swiss made
Known Models
(Please add your watch in the comments below…)

The Omega caliber 9900 is an automatic column wheel chronograph movement with 54 jewels and a beat rate of 28,800bph. This movement was first introduced in the Omega Seamaster Planet Ocean at Baselworld 2016. It was Omega’s first caliber to be METAS certified.

In Omega’s own words:

“Self-winding chronograph with column wheel and Co- Axial escapement. Certified Master Chronometer, approved by METAS, resistant to magnetic fields reaching 15,000 gauss. Silicon balance-spring, 2 barrels mounted in series, time zone function. Central hour, minute and chronograph seconds hands, small seconds hand, 12-hour and 60-minute recorders. Rhodium plated finish with Geneva waves in arabesque.” –source

Omega Calibre 9900

Anti-Magnetic Properties:

It used to be that the Omega caliber 8508 got all of the credit for being resistant to magnetic fields, but now most of the newer movements such as the cal. 9900 being discussed here, are anti-magnetic up to 15,000 gauss thanks to the silicon balance spring and materials that are not affected by exposure to magnetism.

Replacement Prices:

The Omega caliber 9900 is an in-house movement and not available for individual purchase, even for Swatch Group parts accounts. At the time of this post, this movement is only found in the Seamaster Diver 300M Chronograph, Seamaster Planet Ocean 600M Chronograph, and Speedmaster Racing models with retail prices ranging between $7,500 to $31,600 USD.

Calibers based on the 9900:

Similar calibers which are based on the 9900 framework are:

  • Omega caliber 9901 – Automatic, 54 jewels, date, same as 9900 but with Cedna gold rotor and balance bridge
  • Omega caliber 9906 – Manual wind, 45 jewels, date
  • Omega caliber 9908 – Manual wind, 44 jewels, no-date
  • Omega caliber 9920 – Automatic, 54 jewels, date, Spirate System

Additional Resources:

Images credit: Omega SA – if you have better pics of the movement in your watch, please submit them here.

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