Serica Ref. 5330 Diving Chronometer DatevsSerica Réf. 5303

Serica is praised for its comfortable 39mm case, distinctive twin-scale bezel, and well-executed mesh bracelet. Owners widely report a dial balance and minimal text inspired by 60s dive watches. However, multiple owners flag significant quality control issues, including dials moving when the crown is pulled, minute hands jumping, and misaligned or difficult-to-turn bezels. The 5330 Dive Chronometer variant, which includes a date window, retails for €1,690 and uses a COSC-certified Soprod M100 automatic movement. Overall, owners rate Serica highly for its comfortable 39mm size and dive watch aesthetics, though quality control concerns are a notable caveat.

Owners widely praise the Serica Réf. 5303 for its unique neo-vintage design, sophisticated aesthetics, and excellent finishing, with many highlighting the smooth winding action and the tactile quality of the bezel click as industry-benchmark. The 39mm case is frequently cited as well-proportioned and wearable, especially for smaller wrists. Accuracy figures vary, with one owner reporting +2 seconds per day and another +5.5 seconds per day, while the 42-hour power reserve was noted as a point of desire for longer duration. Some owners have reported significant quality control issues, including dial shifting, non-functional hacking, and misaligned or jammed bezels, with concerns also raised about the Soprod movement and the manufacturer's communication. Overall, owners rate the Serica Réf. 5303 highly for its distinctive design and refined finishing, despite some significant quality control concerns raised by a few.