How to set up the Omega Speedmaster '57 Co-Axial Master Chronometer (calibre 9906)
Short answer: Wind it by hand at crown position 1. Pull to position 2 to jump the hour hand, and the date follows over midnight. Pull to 3 to set the minutes with the seconds stopped. A full wind lasts about 60 hours.
Speedmaster '57 Co-Axial Master Chronometer at a glance
| Reference | 332.12.41.51.01.001 |
|---|---|
| Calibre | 9906, hand-wound, about 60 hours |
| Crown | Three positions: 1 = winding, 2 = hour hand and date, 3 = time with stop-seconds |
| Dial layout | Date window at 6 o'clock, small seconds at 9, 12-hour and 60-minute chrono counters together in the sub-dial at 3 |
What do you need to set on the Speedmaster '57 Co-Axial Master Chronometer?
Reset chronograph hands on the Omega Speedmaster '57 Co-Axial Master Chronometer
- 1
Check: is the chrono stopped?
Top pusher starts and stops. Bottom resets, but only when stopped.
- 2
Still not at zero? Service
On this mechanical movement the hands are reset by internal cams. There's no user re-alignment, so an authorised service centre needs to fix it.
Pressing pushers in other crown positions won't help, and can cause damage.
Set up the date on the Omega Speedmaster '57 Co-Axial Master Chronometer
- 1
Pull to position 2
The hour hand now jumps in 1-hour steps. The watch keeps running.
- 2
Step the hour hand past midnight
Each pass of midnight moves the date one day. Turn forwards or backwards.
Going backwards over midnight? Wind back past 7 pm so the date jumps fully. - 3
Then step to your local hour
Still at 2: put the hour hand on the current hour.
- 4
Push the crown in
Back to 1.
Set the 24-hour / GMT hand on the Omega Speedmaster '57 Co-Axial Master Chronometer
- 1
Pull to position 2
The hour hand jumps 1 h per click. Minutes and seconds are untouched.
- 2
Step to the new local hour
Turn forwards or backwards. The date follows over midnight.
- 3
Push the crown in
Back to 1.
Set the time on the Omega Speedmaster '57 Co-Axial Master Chronometer
- 1
Pull to position 3
The seconds hand stops.
- 2
Set the time
Turn either way. Push to 1 on the time signal.
Start a stopped watch on the Omega Speedmaster '57 Co-Axial Master Chronometer
- 1
Wind it
Crown in (1). Turn forwards until it stops. Never force it.
- 2
Pull to position 3
The seconds hand stops.
- 3
Set the time
Turn either way. Push to 1 on the time signal.
What owners run into
- Being hand-wound, it stops after about 60 hours if you don't wind it. Wind it before setting.
- Read the chronograph hours and minutes together on the one sub-dial, like the hands of a small clock.
How the Speedmaster '57 Co-Axial Master Chronometer differs from similar watches
Same three-position crown and jumping hour hand as the Dark Side of the Moon (9300), but wound by hand. It differs from the Moonwatch by having a date and the combined counter.
Quick answers
Is the Speedmaster '57 automatic?
No. Calibre 9906 is hand-wound.
How do I set the date on the Speedmaster '57?
Crown to position 2 and step the hour hand through midnight once per day.