Lebois & Co Sector ChronographvsOmega Speedmaster Calibre 321 Chronograph 39 7mm

The Lebois & Co Sector Chronograph Aventurine 324.444 is praised for its exceptional case finishing, with details like matching pushers and a distinct lug-to-bezel step, and its well-proportioned 39mm case that sits nicely on the wrist. Reviewers highlight the striking aventurine dial and the elegant chronograph pushers, alongside the nicely finished manual-wind LC-450 movement. Some owners note the AUD$4500 price tag represents a significant risk for an online purchase. Overall, owners and reviewers rate the Lebois & Co Sector Chronograph Aventurine 324.444 highly for its vintage charm and superior case finishing at its price point.

Owners and reviewers widely praise the Omega Speedmaster Calibre 321 Chronograph 39.7mm for its historical fidelity to the 105.003, its superior finishing, and the tactile feel of its pushers and bracelet, with some considering it the ultimate Speedmaster. The movement's copper-plated finish and column-wheel chronograph mechanism are highlighted as distinguishing features. However, its high price, limited availability, and lack of hacking, anti-magnetism, and crown guards are noted drawbacks. Accuracy varies, with one owner reporting +20 seconds per day out of the box, while others cite better performance. On balance, owners and reviewers rate the Omega Speedmaster Calibre 321 Chronograph 39.7mm highly for its blend of vintage aesthetic, superb movement finishing, and comfortable wearability, justifying its premium price for enthusiasts.