Certina DS Action 34.5mmvsScurfa Diver One D1-500

Certina DS Action owners widely praise its value and build quality, with many noting its exceptional accuracy, with some experiencing deviations of only a few seconds per week. The watch is described as a serious tool watch, durable enough for demanding work and offering a comfortable wear, even on larger wrists. Some owners appreciate the toolless adjustable clasp and the use of quality materials. A reviewer notes the titanium version offers an attractive design for the price. One owner reports the watch running approximately 20 seconds fast per day, attributing this to a lack of regulation. Another owner expects battery life to be around four years. The user manual is described as generic. On balance, owners and reviewers rate the Certina DS Action highly for its build quality and accuracy at its price point.

Owners widely praise the Scurfa Diver One D1-500 for its robust 40mm case, described as ideal for everyday wear and reminiscent of an older Submariner, and its excellent legibility. Reviewers and owners alike highlight its strong lume, with one owner calling it the best they have seen, and note the precise 120-click bezel. The watch's 500-meter water resistance is deemed suitable for actual diving. Some owners appreciate the aluminum bezel's color as a change from black, and one owner finds the titanium case exceptionally light and warm. Overall, owners rate the Scurfa Diver One D1-500 highly for its tool diver design and perceived quality exceeding its price point.