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Model review / Manual winding

Christopher Ward C12 Loco: six days of power, with the balance centre stage

The hand-wound CW-003 runs for 144 hours and exposes its balance on the dial side. Mechanics is the main spectacle in the C12 Loco, with time confined to a small display above.

Published 19 October 20264 min read
C12 Loco Alabaster White
© Christopher Ward · Image source

The essentials first

In one minute

Case41 mm
CalibreCW-003
Power reserve144 h

Why it is interesting

For someone fascinated by watch construction, the C12 Loco offers unusual visual appeal at its price level: the balance stays in view and winding is needed roughly every six days.

Things to consider

The 13.7 mm thickness and 3 ATM water resistance affect wearing choices. The dollar figures quoted are launch prices.

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Christopher Ward · C12 Loco Alabaster White

The model in detail

Meet the watch

You notice the balance first, then look for the hands. The C12 Loco moves the time display to the upper dial, making room for the working regulator. The Alabaster White version makes that architecture particularly clear: there is something to watch even when you do not need to know the time.

The hand-wound CW-003 has a 144-hour, or six-day, power reserve. Its balance is adjusted by changing inertia rather than using a conventional regulator index. Frequency is 4 Hz. The manufacturer’s handbook specifies a daily tolerance of 0/+7 seconds; that is a stated specification, not our measurement.

A long reserve has a practical side. The handbook specifies about 95 complete crown turns to wind the watch from empty. An infrequent but lengthy ritual will not appeal to everyone. There is no automatic rotor, however, so the transparent back offers an unobstructed opportunity to study the hand-wound architecture.

The hand-wound CW-003 through the case back: a 144-hour reserve.Enlarge

The hand-wound CW-003 through the case back: a 144-hour reserve.

© © Christopher Ward · Source

Details and limitations

The 41 mm case measures 47.5 mm lug to lug and 13.7 mm in overall thickness. Those figures matter more than the single number 41: try the Loco under a cuff. The integrated bracelet has quick release and up to 3 mm of micro-adjustment, adding an everyday benefit to the striking construction.

Published launch prices were $4,595 on rubber and $4,825 on the bracelet; these are historical figures, and current pricing needs checking with the brand. Water resistance of 3 ATM limits versatility. Our interest in the Loco rests on its exposed regulator and distinctive movement layout: those are the reasons to pay the premium.

Sources

Christopher Ward: C12 Loco handbookwww.christopherward.comTime and Watches: C12 Loco launch and pricingwww.timeandwatches.com · 20 August 2025Christopher Ward: Alabaster White on braceletwww.christopherward.com