Casio EFV-650DvsUndone ur

Owners widely praise the Casio EFV-650D for its value, costing less than half of comparable models and including illumination. The chronograph layout is noted as different from typical chronographs, which some find affects the user experience despite an attractive look. The 43.5mm case size is considered intimidating by some for smaller wrists, with one owner questioning its suitability as a first chronograph. One owner finds the watch "sick" and is considering upgrading the mineral crystal to sapphire. Overall, owners rate the Casio EFV-650D highly for its value and illumination, despite some reservations about its chronograph layout and case size.

Owners report satisfaction with the quality for the money and praise the well-finished 40mm steel case with excellent polishing for the price. Reviewers highlight the Seiko VK61 meca-quartz movement, noting the pushers feel mechanical and hands reset properly, and appreciate the impressive strap quality and customization options. Some owners report receiving units that are not working. The mineral crystal causes glare, hindering dial visibility. Overall, owners and reviewers rate the Undone ur highly for its value and customization options, offering a high-end feel for the price.