Serica Ref. 5303 Diving ChronometervsChristopher Ward C63 Valour
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At a glance
17 of 29 specs differFull specifications
Case
7 specsCrystal & Dial
3 specsMovement
6 specsPricing
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Owners + reviewers, side by side
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Owners widely praise the Serica Ref. 5303 Diving Chronometer for its excellent wearability, definitive style, and smooth, confident bezel action. The dual scale on the bezel is noted as surprisingly useful, and the crown action, winding, and hacking are reported to work perfectly. One owner describes the Serica 5303-3 as gorgeous and unique, though another notes the crown can appear comically large. On balance, owners rate the Serica Ref. 5303 Diving Chronometer highly for its blend of unique design and robust functionality.
Owners widely praise the Christopher Ward C63 Valour for its beautiful, deep dial with 3D applied markers and symmetric chronograph design, with some calling it one of the best-looking and most affordable chronographs available. Reviewers note the 39mm wide, 11.55mm thick Light-catcher case with flowing curves and contrasting finishes. The watch is powered by a thermocompensated, chronometer-certified quartz ETA G10.212 AD movement, with ETA claiming ±10 seconds per year accuracy via PreciDrive technology. However, some owners question the use of a quartz movement in a watch of this caliber, though others defend it for reliability and thinner profiles, while also debating if its claimed accuracy meets High Accuracy Quartz (HAQ) standards. Overall, owners and reviewers appreciate the Christopher Ward C63 Valour for its striking aesthetics and value, with the primary point of contention being its quartz movement.
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